Document:

<PAGE>   1
       Confidential: Use or disclosure of this document is subject to the
                 restriction on the Confidentiality Statement.

                IDEN(R) INFRASTRUCTURE EQUIPMENT SUPPLY AGREEMENT

This Agreement ("Agreement" or "Equipment Agreement") is between Motorola, Inc.,
a Delaware corporation, by and through its Network Solutions Sector, Customer
Solutions Group with offices at 1301 East Algonquin Road, Schaumburg, Illinois
60196 ("Motorola", which term shall also mean, where the context requires,
Motorola subsidiaries or subcontractors involved in providing services or
materials for this Agreement) and Nextel International, Inc. a company with
offices at 2001 Edmund Halley Drive Reston Virginia 20191 "Nextel International"
and [See schedule Item 1 ], a company with offices at [See schedule Item 2 ]
("Customer").

RECITALS:

Customer or its Affiliates have certain rights to use certain electromagnetic
radio frequencies licensed by the "Spectrum Regulatory Agency" and employs or
intends to employ such frequencies to operate iDEN Systems in the "Area" defined
below in Section 1.

Customer shall purchase and Motorola shall sell iDEN Systems pursuant to the
terms and conditions of this Agreement.

The Exhibits to this Agreement are incorporated by reference into the Agreement.

Motorola and Customer previously entered into a subscriber agreement, as
subsequently amended, for the sale by Motorola and purchase by Customer of
Subscriber equipment for use on the Systems (the "Subscriber Agreement").

AGREEMENT:

Now therefore, in consideration of the mutual obligations herein contained, the
parties agree as follows:

1.0     DEFINITIONS

        Capitalized terms used in this Agreement and the Exhibits shall have the
        following meanings:

        ACCEPTANCE TEST PLAN

        The Acceptance Test Plan (ATP) is the plan in a Project Agreement or
        Motorola Quotation for testing a new System or System Expansion. The ATP
        consists of specific

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(R)Registered U.S Patent & Trademark Office.

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Motorola/Nextel International/[See schedule Item 3 ]              1               Equipment Purchase Agreement
</TABLE>

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Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

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        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

        tests mutually agreed upon and selected from the Generic Acceptance Test
        Plan (GATP) provided in Exhibit "C."

        AFFILIATE

        All wholly owned and majority owned and controlled affiliates of
        Customer that operate solely in a country where the Customer operates.

        AREA

        The geographic area of any of the metropolitan market areas throughout
        [See schedule Item 3 ].

        CHANGE ORDER

        Any change agreed to in writing, by Customer and Motorola, that modifies
        the type or quantity of Services set forth in a "Purchase Order" or
        "Project Agreement", which terms are defined in Section 2.4.

        COMMERCIAL SERVICE

        The point at which Customer has the beneficial use of the System or any
        when portion thereof is functional and operative. Beneficial use shall
        be defined as when the System has one or more Subscribers, other than
        Subscribers specifically connected as part of a test program.

        CONDITIONAL ACCEPTANCE AND FINAL ACCEPTANCE

        Conditional Acceptance of a System shall occur as follows:

        With respect to new Systems, Conditional Acceptance shall occur at the
        first of the following: (1) commencement of Commercial Service of the
        product purchased, or (2) satisfactory completion of the ATP, which
        satisfactory completion shall be evidenced by a notice signed by a
        Customer and which notice shall not be unreasonably withheld. Final
        Acceptance shall occur and be evidenced by a notice signed by Customer
        when Conditional Acceptance and substantially all Punchlist items have
        been resolved.

        With respect to Expansion Product, in the event Customer purchases
        Installation and Integration Services, including an ATP, from a Motorola
        in-country subsidiary prior to the date of shipment, Conditional and
        Final Acceptance shall occur in the same manner as

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Motorola/Nextel International/[See schedule Item 3 ]              2               Equipment Purchase Agreement
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Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   3

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

        provided in the "Conditional Acceptance and Final Acceptance" definition
        above with respect to the System.

        For Expansion Product, Equipment or Software purchased without
        Installation and Integration Services from a Motorola in-country
        subsidiary, the Conditional Acceptance and Final Acceptance provisions
        in this Section will not apply and such Expansion Product, Equipment or
        Software will be invoiced for [*] of its invoiced value upon shipment.
        Motorola will warrant the functional operation of Equipment and Software
        purchased without Motorola in-country subsidiary installation and
        integration assistance per Section 8.7 so long as such Equipment and
        Software is installed by the Customer in accordance with Motorola
        hardware configuration and datafill guidelines.

        CONFIDENTIAL INFORMATION

        Software, Documentation, Interfaces, and Specifications and information
        transferred pursuant to this Agreement which may include, without
        implied limitation, formulas, processes, designs, photographs, plans,
        samples, equipment, equipment performance reports, Subscriber lists,
        pricing information, studies, findings, inventions, ideas, drawings,
        schematics, sketches, specifications, parts lists, technical data,
        databases, software in any form, flow charts, algorithms and other
        business and technical information. The parties shall use reasonable
        effort to mark all confidential information as confidential or
        proprietary. Excluded from Confidential Information is that which (i)
        the recipient had in its possession without confidential limitation
        prior to disclosure, (ii) which is independently developed by the
        recipient, (iii) which is known or becomes known to the general public
        without breach of this Agreement, or (iv) which is received rightfully
        and without confidential limitation by the recipient from a third party.
        Confidential Information shall be subject to the requirements of Section
        12 of this Agreement.

        DOCUMENTATION

        The documentation described in Exhibit "H".

        EQUIPMENT

        Goods, hardware, and products (other than Software) contained in the
        Price Book or in a Project Agreement or Motorola Quotation which are
        supplied by or through Motorola to be used in conjunction with and as
        part of an iDEN System.

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Motorola/Nextel International/[See schedule Item 3 ]              3               Equipment Purchase Agreement
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* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   4

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

        EXPANSION PRODUCT

        All Fixed Network Equipment, Software, and other products and services
        purchased from Motorola to add to or expand a System.

        FCA

        When used herein shall be as defined in Incoterms 1990. Motorola shall
        deliver to Customer's carrier at a manufacturing site or Motorola
        facility.

        FIXED NETWORK EQUIPMENT - FNE

        "FNE" shall mean Motorola supplied Equipment integral to the iDEN
        System, including the following major components: [*] Equipment which is
        not integral to the Sites, such as antennas, transmission line, and
        combining equipment (currently not supplied by Motorola), is excluded
        from FNE, as are Subscriber Units.

        iDEN

        iDEN is the trademark for Motorola's advanced integrated digital
        enhanced network containing the radio-telephone and dispatch
        communications system that is described in Exhibit "B".

        IMPLEMENTATION SCHEDULE

        The schedule set forth in the Project Agreement or Motorola Quotation
        for the System or System Expansion.

        INITIAL PROGRAM LOAD (IPL)

        The Initial Program Load (IPL) Software is delivered with the System or
        System Expansion, shall be the most current version of iDEN Software
        that is in general release and includes the most current Software
        necessary to support all major subsystems or components of the iDEN
        System as identified in the Price Book, Project Agreement or Motorola
        Quotation. A license fee for the System IPL is identified in the Price
        Book. Exhibit "N" hereto sets forth alternate IPL license fees that may
        be elected by Customer, in whole but not in part, if Customer meets the
        qualifications set forth therein.

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Motorola/Nextel International/[See schedule Item 3 ]              4               Equipment Purchase Agreement
</TABLE>

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Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   5

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

        INTERCONNECT CARRIER

        Any local exchange carrier, inter-exchange carrier, or reseller of local
        or inter-exchange service that is connected to a System.

        INTERCONNECT FACILITIES

        The medium connecting the iDEN Network Interconnect Switch to the public
        switched telephone network or inter-exchange carrier network of any
        Interconnect Carrier including termination facilities such as protected
        termination blocks, end office termination repeaters and Channel Service
        Units to permit direct connection to the System.

        NII AFFILIATES

        The term "NII Affiliates" shall mean collectively the following Nextel
        International majority-owned subsidiaries: (1) Nextel Argentina S.R.L.,
        (2) Nextel Telecomunicacoes Ltda., (3) Nextel de Mexico, S.A. de C.V.,
        (4) Nextel del Peru S.A., (5) NEXTEL Communications Philippines, Inc.,
        (6) the Nextel International Chile affiliate, and (7) the Nextel
        International Uraguay affiliate.

        PRICE BOOK

        Motorola's iDEN(R) Infrastructure Price Book, which is kept by Motorola
        on the iDEN web site for use in the United States and worldwide, as
        appropriate, and updated periodically by Motorola.

        PUNCHLIST

        The list, prepared during the ATP and the [*] subsequent to the date of
        Conditional Acceptance and finalized no later than [*] subsequent to the
        date of Conditional Acceptance, which sets forth those items, if any,
        identified by Customer in good faith and agreed to by Motorola (which
        agreement Motorola shall not unreasonably withhold or delay) where the
        System or System Expansion or Expansion Product fails to comply with the
        applicable specifications and performance standards set forth in Exhibit
        "B" and the ATP.

        RF

        Radio Frequency.

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Motorola/Nextel International/[See schedule Item 3 ]              5               Equipment Purchase Agreement
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* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   6

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

        SERVICES

        Services shall be as defined in the Price Book or Motorola Quotation.

        SITE

        Each of the physical locations comprising the System, which contains
        FNE, including the geographic location that houses the iDEN mobile
        switching office equipment.

        SMP

        The Software Maintenance Program defined in Exhibit "E".

        SUBSCRIBER

        A person who uses the System entitling the System operator to revenue.

        SOFTWARE

        The object-code or, in limited cases, source code computer programs
        furnished by Motorola to Customer for use solely in conjunction with the
        specific FNE identified in the Price Book, Project Agreement or Motorola
        Quotation and licensed under the terms and conditions of the Software
        License in Exhibit "F".

        SPECTRUM REGULATORY AGENCY

        "Spectrum Regulatory Agency" shall mean the agency of the Government of
        any country in the Area which is responsible for radio communications
        administration and regulation.

        SUBSCRIBER UNIT

        Any manufactured and assembled, mobile or portable, iDEN
        telecommunications unit intended for use by any Subscriber.

        SYSTEM

        A "System" shall be defined as a specified grouping of Equipment,
        Software and related Services for an MSO, RSO, or CSO supplied by or
        through Motorola for the construction of a digital mobile network to
        provide mobile integrated services for a geographic area utilizing the
        basic iDEN technology platform.

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Motorola/Nextel International/[See schedule Item 3 ]              6               Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   7

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

        SYSTEM EXPANSION

        A "System Expansion" shall be defined as a specified grouping of
        Equipment, Software and related Services for modification of an MSO,
        RSO, or CSO utilizing the basic iDEN technology platform, and supplied
        by or through Motorola as a single order or a group of related orders
        which are received by Motorola within thirty (30) days from the date on
        which Motorola received the first of such related orders, unless
        otherwise agreed to, having an aggregate minimum purchase price of [*].
        The specific grouping shall be ordered for the modification of the
        existing design, or to increase the capabilities or capacities of
        Customer's existing iDEN System.

        SYSTEM INTEGRATION

        "System Integration" shall be as defined in Section 2.2.2(a).

        TECHNICAL DEFINITIONS

        The definitions set forth in Exhibit "B" shall have the same meaning
        herein.

2.0     SCOPE OF AGREEMENT:  IMPLEMENTATION

        2.1    Customer agrees to purchase/license from Motorola and Motorola
               agrees to sell/license iDEN Systems, System Expansions,
               Equipment, Software, and Services at prices set forth in the
               Price Book or applicable Motorola Quotation. The Price Book may
               be updated by Motorola periodically, provided that no change
               shall contradict agreements made herein. The prices for goods and
               services set forth in the Price Book are set forth in United
               States dollars unless specifically noted to the contrary. All
               Software shall be licensed per the terms and conditions set forth
               in Exhibit "F". All installation and integration of such iDEN
               Systems, System Expansions, Equipment, and Software performed in
               [See schedule Item 3 ] and the performance of all other services
               performed in [See schedule Item 3 ] shall be by a Motorola
               in-country subsidiary at Customer's sole expense. Notwithstanding
               any other provisions of this Agreement to the contrary, all such
               services performed in [See schedule Item 3 ] shall be performed
               by such Motorola in-country subsidiary at Customer's sole
               expense.

        2.2    System Strategy

               2.2.1  System Integration: Motorola and Customer agree that
                      during the term of this Agreement Motorola will continue
                      to be the only System integrator for Customer's iDEN
                      Systems. "iDEN System Integration" shall include but
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Motorola/Nextel International/[See schedule Item 3 ]              7               Equipment Purchase Agreement
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Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   8

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

                      not be limited to System architectural design, FNE
                      Testing, iDEN standards, etc. All major iDEN switching
                      components that comprise the FNE will be procured through
                      Motorola. The parties agree to continue to work jointly to
                      enhance the iDEN technology by:
                      a) Consulting at [*] and

                      b) Following the Technical Requirement Document ("TRD")
                      process to define new features; and

                      c) [*]

                      d) Pursuing an action plan to attain [*] via changes in
                      System design, System architecture, operational
                      procedures, and other vendors actions; and

                      e) Working to strengthen public awareness of the iDEN
                      brand.

               2.2.2  Vendor Substitution: While the parties will continually
                      search the market for new vendors that can enhance overall
                      iDEN performance, changes in hardware and/or software
                      vendors [*]. If a change in hardware and/or software
                      vendor(s) is at the request of the Customer, then the
                      Customer will be responsible for the extra cost of
                      supporting multiple vendor(s), retrofit of existing
                      Systems, and development costs associated with the
                      introduction of an Alternative iDEN Infrastructure
                      Manufacturer.

        2.3    Motorola and Customer shall each appoint a Program Manager for
               each project. Each such Project Program Manager shall have the
               responsibility to make good faith efforts to resolve problems and
               disputes prior to initiating the dispute resolution procedures
               set forth in Section 30. Other responsibilities are as follows:

               2.3.1  The responsibilities of the Motorola Program Manager shall
                      include:

                      a.  Serve as the primary Customer contact for the project.

                      b.  Serve as the focal point for all Motorola internal
                          plant and field issues.

                      c.  [Intentionally Omitted]

                      d.  Clarify the final definition of all Customer and
                           project requirements.
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Motorola/Nextel International/[See schedule Item 3 ]              8               Equipment Purchase Agreement
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Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

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        restriction on the Confidentiality Statement.

                      e.  Establish a detailed project schedule and oversee
                          accomplishment of project milestones.

                      f.  Establish the project team structure and staffing.

                      g.  Establish and maintain project reporting and
                          measurement procedures.

                      h.  Meet regularly with Customer's Program Manager to
                          review progress and project issues.

                      i.  Facilitate within Motorola Customer's order placement
                          and order acceptance procedures.

               2.3.2  The responsibilities of the Customer Program Manager shall
                      include:

                      a.   Serve as primary Motorola contact for the project.

                      b.  Serve as the focal point for all Customer internal and
                          field issues.

                      c.  Schedule and oversee accomplishment of project
                          milestones.

                      d.  Review and approve accomplishment of project
                          milestones.

                      e.  Disseminate project reports and measurement procedures
                          within Customer's organization.

                      f.  Approve all modifications to specifications.

                      g.  Approve and acquire all Sites, notify the Motorola
                          Program Manager of Site availability, and coordinate
                          Motorola's access to the Sites.

                      h.  Meet regularly with the Motorola Program Manager to
                          review progress and project issues.

        2.4    Customer shall order Equipment, Software, Services, and System or
               Expansion Product on "Purchase Order(s)", defined below in
               Section 2.4.1, provided however, that any such documents
               incorporate this Agreement by reference and state that this
               Agreement supersedes all terms and conditions of such document.
               Purchase Orders shall identify quantities of goods and/or
               services ordered and shall include shipping dates and/or shipping
               locations. All prices shall be as set forth in the then current
               Price Book or as specifically provided by Motorola in a

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Motorola/Nextel International/[See schedule Item 3 ]              9               Equipment Purchase Agreement
</TABLE>

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Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   10

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

               referenced "Motorola Quotation", defined below in Section 2.4.1.
               For these purposes, the following statement on a Purchase Order
               document shall suffice as such incorporation by reference and
               supersession:

                      "All terms and conditions of the Nextel International,
                      Inc./ [See schedule Item 1 ]/ Motorola, Inc. iDEN(R)
                      Infrastructure Equipment Supply Agreement, dated as of
                      June 30, 2000, as amended, shall apply to this purchase
                      order and shall supersede and replace any preprinted or
                      other terms and conditions contained herein."

               Standard Equipment order lead times and installation period shall
               be as set forth in the Price Book, as modified by Motorola from
               time to time. If a Purchase Order makes reference to a valid
               Motorola Quotation, such Motorola Quotation shall become
               incorporated into such Purchase Order when the latter becomes
               effective. At Customer's request, Motorola shall use commercially
               reasonable efforts to reduce lead times. If shortening any such
               lead time requires an extra fee, Motorola shall provide Customer
               such option.

        2.4.1  Additional Definitions:

               (a)Authorized Signatory. For the purposes of Section 2.4, an
                  "Authorized Signatory" is a person authorized by Customer or
                  by Motorola to execute or acknowledge Purchase Orders, Project
                  Agreements, Motorola Quotations, or amendments thereto. Each
                  party shall provide the other written notice of its respective
                  Authorized Signatories and changes to same.

               (b)Purchase Orders. A "Purchase Order" is a purchase order on a
                  form provided either by Customer or by Motorola, provided that
                  such form contains the preceding requirements for
                  incorporation by reference and supersession. A Purchase Order
                  may be either associated with a "Project Agreement", defined
                  below, or not so associated. A non-associated Purchase Order
                  will be billed [*] upon shipment, with payment due within [*]
                  of such invoice. A Purchase Order in proper form and executed
                  by Customer becomes effective upon acceptance by Motorola
                  pursuant to Motorola's order acknowledgment procedures or
                  other notification. For all Customer purchases, Motorola shall
                  provide acknowledgment to both Customer and Nextel
                  International. If Customer subsequently requests a change to
                  the scope of work required pursuant to a Purchase Order,
                  Motorola may propose additional charges and address schedule
                  impact for such changed scope of work. All Purchase Orders or
                  Change Orders shall be signed by an Authorized Signatory of
                  Customer.

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Motorola/Nextel International/[See schedule Item 3 ]              10              Equipment Purchase Agreement
</TABLE>

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Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   11

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        restriction on the Confidentiality Statement.

               (c)Project Agreements. "Project Agreements" are defined in
                  Exhibit "A". Project Agreements shall identify all Purchase
                  Orders related to the Project Agreement. The Project Agreement
                  is not intended as a reconciliation document, nor is a Project
                  Agreement intended for the purchase of Equipment, Software,
                  and/or Services. If Customer requests changes to the scope of
                  the work required for an executed Project Agreement, Motorola
                  may propose additional charges and/or schedule revisions for
                  such changed scope of work.

               (d)Motorola Quotations. "Motorola Quotations" are quotations
                  provided by Motorola to Customer for Equipment, Software,
                  and/or Services that are not in the Price Book or require
                  customization or deviate in any way from standard product or
                  service offering detailed in the Price Book. Such quotations
                  may include related terms and conditions, including pricing.
                  All Motorola Quotations are subject to this Agreement, and any
                  terms and conditions in a Motorola Quotations inconsistent
                  with those in this Agreement are governed by those in this
                  Agreement. If after Motorola's acknowledgment, Customer makes
                  changes to the scope of the work required for the Motorola
                  Quotation, Motorola may propose additional charges and/or
                  schedule revisions. If requested by Customer, Motorola shall
                  use commercially reasonable efforts to seek reduction of lead
                  time on third party product impacting Customer's schedule.

        2.4.2  Order Process

               Purchase Orders for Price Book items may be completed by Customer
               without the need for input from Motorola. Receipt of Purchase
               Orders will be acknowledged by Motorola. Non-Price Book items
               require a Motorola Quotation.

               Project Agreements are created by Motorola using the form set out
               in Appendix I to Exhibit "A" hereto and sent to Customer for
               approval. Customer shall review all documents and indicate its
               acceptance by signing and returning an executed copy to Motorola
               or shall work with Motorola to achieve mutually acceptable
               revisions to the proposed Project Agreement, after which both
               Customer and Motorola shall execute such revised Project
               Agreement.

        2.4.3  Changes in Purchase Orders and Project Agreements

               (a)Purchase Order Modification. Any modification after such
                  Purchase Order has been accepted by Motorola other than
                  cancellation shall be made only by written mutual agreement
                  accompanied by a revised or replacement Purchase
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Exchange Commission pursuant to an application for confidential treatment
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                  Order executed by an Authorized Signatory of Customer, except
                  for the type of changes set forth below ("Purchase Order
                  Adjustments"):

                      (i)  Changes to Customer requested ship dates, not to
                           exceed [*] extension;

                      (ii) Changes to shipping locations to an alternate
                           authorized Customer location.

                  Purchase Order Adjustments may be made by the agreement of one
                  Authorized Signatory from Customer and one Authorized
                  Signatory from Motorola, provided that such agreement is
                  confirmed via contemporaneous faxed or emailed confirmations
                  exchanged between Customer and Motorola.

               (b)Purchase Order Cancellation. Customer may cancel a Purchase
                  Order without charge up to [*] after the order, provided that
                  shipment has not occurred. Unless otherwise specified in a
                  proposal, reasonable and customary cancellation fees as set
                  forth in the Price Book shall apply.

               (c)Project Agreement Modification and Cancellation. Any
                  modification or cancellation of a Project Agreement shall be
                  made only by written amendment executed by Authorized
                  Signatories from each party. After the execution of a Project
                  Agreement or amendment, any change or cancellation by Customer
                  to an associated Purchase Order requires execution by Customer
                  and Motorola of an amendment to such associated Project
                  Agreement. Should such Purchase Order change or cancellation
                  by Customer change the Project in such a way that the
                  remaining associated Purchase Orders no longer constitute a
                  System or System Expansion, as defined for the purposes of
                  Exhibit "A", then the payment terms for all such associated
                  Purchase Orders shall revert to [*] of the purchase price upon
                  shipment. Customer shall pay such invoices within [*] of
                  issuance.

3.0     OBLIGATIONS OF CUSTOMER

        Customer shall:

        3.1    Design the RF coverage plan and frequency plan for each Area
               including but not limited to Site location, frequencies at each
               Site, RF coverage from each Site, co-channel interference caused
               from one Site to another Site, co-channel interference from
               non-Customer sites.

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Motorola/Nextel International/[See schedule Item 3 ]              12              Equipment Purchase Agreement
</TABLE>

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Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   13

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

        3.2    Procure necessary Spectrum Regulatory Agency radio station
               licenses together with such other authorizations as may be
               required to construct and operate the System, including without
               implied limitation, Site building permits, zoning variances, and
               any other required approval or authorizations from appropriate
               government and other authorities, including but not limited to
               the Spectrum Regulatory Agency, and any required authorizations
               from any local agencies. Assume the responsibility for
               interfacing with appropriate carriers and other providers for the
               provision of Interconnect Facilities, electrical power and
               Customer-supplied equipment in accordance with the Implementation
               Schedule.

        3.3    Make all legal arrangements and pay all expenses that may be
               required, to Site owners or to others, to construct and operate
               each Site in accordance with the provisions of this Agreement.

        3.4    Bear the costs of its own legal fees, as well as charges for Site
               acquisition, Interconnect Facilities, telephone and utility
               charges and other services and items being supplied by Customer
               under this Agreement. Provide ingress and egress to Sites, as
               requested by Motorola, and have Sites available for timely
               installation of System Equipment.

        3.5    Negotiate in good faith the Implementation Schedule and adhere to
               the schedule for performance of the responsibilities set forth
               therein.

        3.6    Negotiate in good faith the Punchlist for the System or System
               Expansion and Expansion Product prior to the expiration of the
               [*] period following the date of Conditional Acceptance.

        3.7    Not unreasonably withhold either Conditional or Final Acceptance
               or any other approvals required under this Agreement.

        3.8    Assume responsibility for diagnosis, analysis, isolation, and
               remedy of problems in the Interconnect Facilities or at the
               Interconnect Carrier side of the interface with the System.

        3.9    Furnish necessary databases to Motorola in accordance with the
               Implementation Schedule.

        3.10   Make payments according to the schedule set forth in Section 6 of
               this Agreement.

        3.11   [Intentionally Omitted]

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Motorola/Nextel International/[See schedule Item 3 ]              13              Equipment Purchase Agreement
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* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   14

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

        3.12   Assume responsibility for lawful operation of the System.

        3.13   Be responsible for the timely transportation of all Equipment
               from the FCA shipment point to the sites. Be responsible for all
               aspects of clearing the Equipment through customs.

        3.14   Provide and assume all associated costs for warehousing, storage,
               inventory, and staging of Equipment prior to transport to the
               installation sites.

        3.15   Use reasonable best endeavors to provide secure covered storage
               areas at each Site and unrestricted access to Motorola and its
               identified Contractors (those Motorola has notified Nextel will
               be going on the sites) to each Site on a 24-hour basis.

        3.16   Furnish and install suitable environmental control facilities in
               each building.

        3.17   Provide telephone company network configuration including dial
               plan and design.

        3.18   Within [*] after the execution date of any Project Agreement or
               Motorola Quotation, or at such time as may be agreed by Customer
               and Motorola, make available the technical details of any and all
               Customer-supplied equipment to which the System must be
               interfaced. Also provide technical liaison personnel on a
               full-time basis with the knowledge of Customer-supplied
               equipment.

        3.19   Provide any outside cable support bridges required, coaxial, and
               transmission line access ports into the buildings, inside conduit
               or cable ducts, any necessary inside floor trenches and cable
               raceways required for installation.

        3.20   Provide insurance coverage for all Equipment from FCA point.

        3.21   In response to Motorola's reasonable request, use reasonable best
               efforts to provide Motorola with information as may be required
               to enable Motorola to comply with all applicable laws and
               regulations.

        3.22   [Intentionally Omitted]

        3.23   Provide capable technical personnel in order to be trained in the
               operation and maintenance of the System and to interface with
               Motorola with regard to operational and maintenance issues.

        3.24   Perform all other obligations set forth in this Agreement and any
               other agreement delivered in connection herewith.

        3.25   Provide forecasts in good faith for Equipment and Services,
               addressing 90-day, 180-day and annual requirements, provided that
               such forecasts shall not constitute

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Motorola/Nextel International/[See schedule Item 3 ]              15              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   15

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

               commitments to purchase Equipment and Services or to submit
               orders for Equipment and Services. These forecasts may be revised
               by the Customer at any time and for any reason.

        3.26   Provide Motorola with reasonable notice of any anticipated delay
               in Customer's performance hereunder.

4.0     OBLIGATIONS OF MOTOROLA

        Motorola shall:

        4.1    [Intentionally Omitted]

        4.2    Negotiate in good faith Implementation Schedules and perform
               according to such Schedules.

        4.3    Negotiate in good faith the Punchlist for the System or System
               Expansion and Expansion Product prior to the expiration of the
               [*] period following the date of each respective Conditional
               Acceptance.

        4.4    [Intentionally Omitted]

        4.5    Keep Customer advised of modifications required on a timely
               basis.

        4.6    Provide, at a reasonable cost to Customer, a retrofit package for
               any change in standards subsequently put into effect by the
               industry, the government, regulatory agencies, as well as those
               promulgated by Motorola.

        4.7    Continue to develop operability and reliability improvements to
               iDEN technology over time to reduce the Customer's cost of
               ownership on a per Subscriber basis and continue to develop and
               implement new feature functionalities agreed to by the parties
               throughout the term of the Agreement.

        4.8    When requested to by Customer, review the frequency plan prepared
               by Customer or Customer's consultant at no additional charge to
               Customer. Because of differences in radio coverage and
               interference models and the timeframe of implementation, this
               review will not be a complete detailed alternate engineering of
               the System design, but rather a review of selected design
               elements in sample areas. It is understood that Motorola's
               obligation is only to review the frequency plan as an
               accommodation to Customer. Motorola shall not recalculate or
               verify

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Motorola/Nextel International/[See schedule Item 3 ]              16              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   16

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

               the frequency plan preparer's work and shall have no
               responsibility or liability whatsoever based on this review.

        4.9    Not divert to another customer any Equipment scheduled for
               delivery to Customer pursuant to an accepted Purchase Order,
               Project Agreement or Motorola Quotation without Customer's
               approval.

        4.10   Make spares and replacement parts available for [*] from the date
               of this Agreement. Motorola may substitute equivalent products
               subject to Section 9.0. Spare and replacement parts prices shall
               be at the then current Motorola prices.

        4.11   [Intentionally Omitted]

        4.12   Use commercially reasonable efforts to accept Customer's orders
               and to make timely delivery on the System or System Expansion
               according to the Schedule set forth in the Implementation
               Schedule.

        4.13   Use commercially reasonable efforts to remedy all Punchlist
               items, defects and problems during the warranty and maintenance
               periods.

        4.14   In response to Customer's reasonable request, provide Customer
               with information known to Motorola which may be required to
               enable Customer to comply with all applicable laws and
               regulations.

        4.15   Use skilled personnel, competent to perform assigned tasks.

        4.16   Perform all other obligations set forth in this Agreement and any
               other agreement delivered in connection herewith.

        4.17   Provide Customer with reasonable notice of any anticipated delay
               in Motorola's performance hereunder.

        4.18   Prior to shipment Motorola will obtain type approval for any
               Equipment sold herein that requires type approval in the Area.

        4.19   For any new product development Motorola shall propose special
               terms and conditions associated with the purchase of such new
               product for the parties' approval.

        4.20   All equipment sold to Customer hereunder is new and Motorola will
               provide any documents which may be reasonably requested by
               Customer evidencing this fact.
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Motorola/Nextel International/[See schedule Item 3 ]              16              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   17

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

        4.21   At the time or times contemplated herein for the transfer of
               title to any equipment included in the System, Motorola shall
               convey to Customer all right in and good title to such equipment
               by appropriate title documents. Title to Software shall not be
               conveyed to Customer at any time.

5.0     SITE CONFIGURATIONS

        This Agreement, and the prices provided in the Price Book, Project
        Agreement and Motorola Quotation, are predicated on the use of certain
        Site configurations provided by Customer. Customer is free to alter Site
        configurations during the course of performance of this Agreement.
        However, changes in site configurations may result in either increased
        or decreased costs for BSC equipment, MPS equipment and other related
        FNE.

6.0     PAYMENT AND PRICING

        6.1    General Payment Terms

               Customer shall pay to Motorola the price of subsystem Equipment
               and Software components and related Services, as set forth in the
               Price Book in effect at the time of such Equipment order or
               applicable Motorola Quotation, and will use an appropriate
               Company purchase order to order all Equipment, Software and/or
               Services in United States dollars, according to the following
               terms and payment schedules:

               6.1.1  The Price Book contains standard lead times (which are
                      updated as market conditions change) and expedite fees
                      which are incorporated by reference herein. Motorola does
                      not warrant that lead times can be moved in. At times
                      Motorola can move in such lead times by paying Motorola's
                      suppliers expedite fees, paying for overtime or other
                      methods. If Motorola is requested to perform in such times
                      Customer shall pay the expedite fees set forth in the
                      Price Book. The lead times set forth in the Price Book
                      will be shown for both cases where the product is
                      forecasted and when it is not forecasted.

               6.1.2  For all [*] and for all [*] purchased by Customer
                      hereunder, Motorola shall invoice [*] of the purchase
                      price upon shipment. Customer shall pay such invoices
                      within [*] of issuance.

                      For all [*] purchased by Customer hereunder other than [*]
                      Motorola shall invoice [*] of the purchase price upon
                      shipment, [*] of the purchase price
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Motorola/Nextel International/[See schedule Item 3 ]              17              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   18

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

                      upon Conditional Acceptance and [*] upon Final Acceptance.
                      [*] Customer shall pay such invoices within [*] of
                      issuance.

                      Motorola shall from time to time set credit limits for
                      Customer. The credit limits shall be communicated from
                      Motorola's iDEN controller to Customer and Nextel
                      International. Motorola reserves the right to change these
                      amounts based upon a change in credit condition. Motorola
                      shall notify Customer and Nextel International in writing
                      of any credit limit change. Customer and Nextel
                      International warrant that they will provide and update
                      all the relevant financial information needed or requested
                      by Motorola to make these credit decisions.

                      If (a) any of the credit limits are exceeded by Customer
                      or (b) if account is delinquent for Customer or any other
                      NII Affiliate doing business with Motorola, then Motorola
                      may require (after written notice and three (3) business
                      day to cure) the Additional Assurance procedures set forth
                      in Section 6.9 before any subsequent shipment to Customer.
                      Motorola may hold shipments pending the receipt of
                      Additional Assurance if there is a material adverse change
                      in the business or financial condition of Customer, any
                      other NII Affiliate doing business with Motorola, or
                      Nextel International.

                      As long as the total of all billing disputes involving
                      Customer, any other NII Affiliate doing business with
                      Motorola, or Nextel International are less than [*],
                      Motorola will not request Additional Assurance until it
                      has used its best efforts to clear up any billing disputes
                      or delinquencies.

               6.1.3  Taxes, duties and fees: Exclusive of corporate and
                      personal income taxes, all taxes applicable to this
                      transaction, including but not limited to sales, lease,
                      service rental, use, property, wage, occupation, value
                      added or similar taxes, customs and import duty, and any
                      similar provincial or local government obligations shall
                      be borne by Customer. Upon Motorola's request, Customer
                      shall produce sufficient evidence within thirty (30) days
                      of such request to prove that Customer has fulfilled its
                      obligation relating to all taxes, duties, and fees. If any
                      such taxes, duties, or fees are determined by the
                      applicable taxing authorities to be applicable to this
                      transaction and, notwithstanding Customer's
                      responsibility, Motorola is required to pay or bear the
                      burden thereof, then the prices set forth in the Price
                      Book, Project Agreement or Motorola Quotation shall be
                      increased by the amount of such taxes and any interest or
                      penalty, and Customer
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Motorola/Nextel International/[See schedule Item 3 ]              18              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   19

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

                      shall pay to Motorola the full amount of any such increase
                      no later than thirty (30) days after receipt of an
                      invoice. Motorola shall, where possible, use reasonable
                      efforts to minimize Customer's tax burden unless, in
                      Motorola's sole judgment, the effort and/or result would
                      be to Motorola's detriment.

               6.1.4  The licensing fee for Software is set forth in the Price
                      Book. Subsequent purchases of Equipment, increases to
                      capacity, SMP renewals or new features [*], as set forth
                      in the Price Book or as specifically proposed by Motorola.
                      Exhibit "N" hereto sets forth alternate IPL license fees
                      that may be elected by Customer, in whole but not in part,
                      if Customer meets the qualifications set forth therein. In
                      the event there is an Alternate Infrastructure
                      Manufacturer, the parties shall agree to a new method of
                      [*] or, if the parties cannot agree, revert to the [*] as
                      it appears in the Price Book. All Software shall be
                      licensed per the terms and conditions set forth in Exhibit
                      "F".

                      The software [*] offered in Exhibit "N" is valid only for
                      the purchase of [*] as a package from Motorola. If any
                      Motorola [*] hardware is purchased directly from a third
                      party source, the [*] shall be charged in addition to any
                      applicable fees set forth in Exhibit "N". Motorola does
                      not accept any liability for System integration or
                      warranty obligation for such separately purchased hardware
                      or software, and if Motorola is called on any warranty
                      claim or other service request involving such hardware or
                      software, Customer [*] for such calls.

               6.1.5  Except as provided in Section 6.1.8, Customer shall pay
                      for any training ordered by the Customer per the Price
                      Book and other appropriate agreements.

               6.1.6  Subject to the conditions contained in 4.11 any costs
                      required to modify the System in order to comply with
                      local codes or regulations shall be Customer's
                      responsibility.
               6.1.7  For any amount due hereunder which remains unpaid, the
                      Customer shall pay Motorola [*] of the amount due for each
                      month or portion thereof that the amount remains unpaid.

               6.1.8  Motorola shall provide Customer training course credits
                      for each [*] complex or the equivalent and for each group
                      of [*] shipped during the term of this Agreement. For
                      calendar year 2000, the training course

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Motorola/Nextel International/[See schedule Item 3 ]              19              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   20

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

                      credits shall be [*]. Subsequent to calendar year2000,
                      Motorola shall have the right to revise this credit
                      schedule periodically to adjust for changes in course
                      offerings and/or course costs. Customer may apply the
                      training course credit to any course offered in the iDEN
                      Technical Training Catalog. The training course credit
                      covers tuition only, and does not include air fare, hotel,
                      meals and local transportation costs. For calendar year
                      2000, Motorola will not charge Customer a course
                      cancellation fee if the cancellation occurs at least 15
                      business days prior to the start date of the class. If the
                      cancellation occurs less than 15 business days prior to
                      the start date of the class, the charge will be [*].
                      Classes scheduled within 15 business days prior to the
                      start date of the class are [*]. Subsequent to calendar
                      year 2000, the then current standard iDEN course
                      cancellation policy shall apply.

               6.1.9  All prices quoted herein assume [*]. Where the customer
                      requires the use of [*], a price increase or decrease
                      equal to the applicable [*] will apply.

               6.1.10 Prices do not include applicable sales, use, excise or
                      similar taxes or duties. To the extent Motorola is
                      required by law to collect such taxes, one hundred percent
                      (100%) thereof shall be added to invoices and paid in full
                      by Customer.

        6.2    Method of Payment

               Payment shall be made by wire/telegraphic transfer to the
               following address:

                      [*]
                      Routing No.:  [*]
                      Account No.:  [*]
                      Address:  [*]

        6.3    Prices Generally

               Under Section 4.22 of the iDEN Infrastructure [*] Supply
               Agreement effective as of January 1, 1999 between Motorola, Inc.
               and Nextel Communications, Inc., [*]. Pursuant to that Section
               4.22, Motorola and Customer agree that throughout the term of the
               January 1, 1999 agreement between Motorola and Nextel
               Communications, Inc. [*]. Notwithstanding anything to the
               contrary in this agreement, [*].

        6.4    [*].
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Motorola/Nextel International/[See schedule Item 3 ]              20              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   21

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

        6.5    The pricing offered herein is given because [*].

        6.6    Security Interest

               In order to secure outstanding payment obligations hereunder,
               Customer hereby grants to Motorola a continuing security interest
               and right of possession in and to all equipment sold to Customer
               under this Agreement whether or not such goods are manufactured
               by Motorola, whether now owned or hereafter acquired by Customer,
               together with all substitutions, replacements and renewals
               thereof, and in all proceeds and products thereof, including
               without limitation, insurance proceeds, all termed collateral.
               Customer agrees to cooperate in whatever manner necessary to
               assist Motorola in perfection of the security interest upon
               request. If there is any conflict between this Paragraph and any
               other financing agreement(s) with Motorola, such financing
               Agreement(s) shall take precedence.

        6.7    For the purpose calculating quantity discounts hereunder
               equipment purchased by leasing companies for lease to Customer
               shall be counted in the same manner as if Customer had made such
               purchases directly.

        6.8    Notwithstanding anything to the contrary in this Agreement, [*].

        6.9    Additional Assurance Payment Terms

               Payment for equipment and services to Motorola requiring
               Additional Assurance shall be made in U.S. dollars either by
               wire/telegraphic transfer in advance or through the medium of an
               irrevocable Letter of Credit, permitting partial and
               transshipments.

               6.9.1  Letter of Credit Terms

                      At least [*] before the first shipment of equipment under
                      Section 6.9, Customer shall issue an irrevocable Letter of
                      Credit made out in favor of Motorola, Inc., 1301 East
                      Algonquin Road Schaumburg, Illinois 60196 USA, similar to
                      the one included in this Agreement as Attachment One and
                      advised through, and payable at the counters of the [*].
                      Drafts are to be drawn upon the [*] and full reimbursement
                      instructions must be provided to the U.S. bank by the
                      opening bank at the time the Letter of Credit is opened.

               6.9.2  Advance Payment
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Motorola/Nextel International/[See schedule Item 3 ]              21              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   22

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

                      An Advance Payment of [*] of the total amount set forth in
                      any applicable order is due within [*] of ordering. The
                      start date for the Implementation Schedule for the
                      applicable Project Agreement pursuant to Exhibit "A" shall
                      be the date of receipt of this payment. This advance
                      payment shall be made by wire/telegraphic transfer to the
                      following address:

                      [*]
                      Routing No.: [*]
                      Account No.: [*]
                      Address: [*]

                      In the event Customer does not proceed with its payment
                      obligations under this Agreement in a timely manner, and
                      such failure continues for thirty (30) days following
                      written notice by Motorola to Customer that Motorola
                      intends to proceed under this Section, Motorola shall
                      promptly document its non-recoverable costs directly
                      incurred in the performance of this Agreement, such as,
                      but not limited to staff hours, travel expenses, equipment
                      re-stocking charges, etc. and promptly refund only that
                      portion of the advance payment amount which exceeds the
                      total of such charges.

                      The Letter of Credit shall be in the amount of [*] of the
                      total Exhibit "A" amount and shall be valid for a period
                      of [*] from the date of issuance. An advance payment of
                      [*] per Section 6.9.2 shall also be due Motorola shall
                      notify Customer, in writing, [*] prior to the scheduled
                      date of each shipment.

                      The Letter of Credit shall be drawn down as follows:

                      a)   [*] of the commercial invoice gross value of the
                           equipment shipped is payable after each shipment.

                      b)   [*] of commercial invoice gross value is payable
                           after presentation of the Conditional Acceptance
                           Certificate.

                      c)   [*] of the commercial invoice gross value is payable
                           after presentation of the final Acceptance
                           Certificate.

                      If Motorola is prevented from obtaining Conditional
                      Acceptance because Customer has not completed its
                      obligations hereunder (except as provided in Section 18)
                      and such failure continues for ten (10) days from the
                      scheduled date of Conditional Acceptance, Motorola shall
                      be entitled to receive the

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<S>                                                              <C>             <C>
Motorola/Nextel International/[See schedule Item 3 ]              22              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   23

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

                      final payments, described in b and c above, as if
                      Conditional Acceptance had occurred as scheduled in
                      Implementation Schedule for the applicable Project
                      Agreement pursuant to Exhibit "A" upon showing that
                      Motorola had completed all the work it could have based on
                      Customer's performance.

                      Banking charges incurred by the opening bank shall be
                      borne by [*] and those incurred by the U.S. bank [*] shall
                      be borne by [*].

        6.10   Purchase Commitment

               Nextel International commits that the NII Affiliates shall
               purchase an aggregate of at least One Hundred Fifty Million
               Dollars ($150,000,000) of FNE, Software, and Services in calendar
               year 2000. Should such commitment not be achieved, Nextel
               International agrees to pay Motorola by the end of the first
               quarter of 2001 an amount equal to [*] of the difference between
               [*] and the actual aggregate amounts of FNE, Software, and
               services shipped/provided by Motorola to the NII Affiliates in
               calendar year 2000. Any commitments and rebates for such
               aggregate purchases in the years 2001, 2002, and 2003 shall be
               the subject of subsequent agreement(s) between Nextel
               International and Motorola. Nextel International and Nextel
               Communications, Inc. shall each receive their own earned rebate
               or pay their own penalty, and there is no duplication.
               Specifically, the above specified One Hundred Fifty Million
               Dollars ($150,000,000) is part of the Nextel Communications, Inc.
               [*] commitment and is not an additional commitment.

        6.11   System Performance

               When Motorola and Nextel Communications, Inc. negotiate
               liquidated damages agreement(s) for box down time and system
               uptime for the U.S. market, this Agreement shall be amended to
               offer Customer similar agreement(s). The calculation metrics
               shall be consistent with those used in the Nextel Communications,
               Inc. agreement.

7.0     ACCEPTANCE TESTING

        7.1    Customer and Motorola agree that the acceptance testing shall be
               done for all new Systems and a modified ATP shall be performed
               for all System Expansions and shall be included in all relevant
               Purchase Orders, Project Agreements, and Motorola Quotations. The
               ATP tests shall be chosen from the GATP, as set forth in Exhibit
               "C", that Customer and Motorola have agreed to and identified on
               the
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<S>                                                              <C>             <C>
Motorola/Nextel International/[See schedule Item 3 ]              23              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   24

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

               Project Agreement or Motorola Quotation when Customer purchases
               ATP Services.

               This ATP is generic in nature and tests operational features.
               Should a certain feature or option not be purchased then it is
               agreed that portion of the ATP shall be deleted and will not be
               performed. Motorola shall supply new sections to cover new
               products or features that Motorola develops. The GATP will be
               amended to reflect desired practices for testing Systems in
               Commercial Service. Customer and Motorola acknowledge that
               different approaches are required for Systems in Commercial
               Service and those acceptable for Systems not in Commercial
               Service.

        7.2    Should Customer request additional testing above and beyond the
               ATP, these tests shall not be considered until after Conditional
               Acceptance of the System or System Expansion. Motorola shall
               prepare and present to Customer a quotation detailing the time
               and material charges that such additional testing may require on
               a time and material basis. [*]

        7.3    Individual Site Tests and the Switch Test shall be performed in
               accordance with the ATP as soon as the individual Sites and
               Switch are completed. The System Test shall be performed as soon
               as the Switch and Site Tests are completed. If all the Sites are
               not available and operational due to Customer's failure to obtain
               the Sites by the required scheduled time as contained in the
               Implementation Schedule hereto ("Unavailable Sites"), the tests
               shall still take place.

        7.4    The Areas served by the Unavailable Sites shall not be included
               in the System Test. When the Unavailable Sites are operational
               and available, the Site Test shall be completed. The existence of
               Unavailable Sites shall not hold up the ATP or Conditional or
               Final Acceptance.

        7.5    Additional Testing Costs

               The cost of obtaining a passing test for each of the items in the
               ATP is included in the purchase price of the ATP. Any additional
               testing requested and approved by Customer shall be billed to
               Customer as set forth in Section 7.2. This includes, but is not
               limited to, testing due to:

               a. Customer's desire for testing not included in the ATP; and
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<S>                                                              <C>             <C>
Motorola/Nextel International/[See schedule Item 3 ]              24              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   25

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

               b. Re-testing that is needed because the Customer's Site team
                  makes changes to agreed schedules to such an extent Motorola
                  needs to materially extend the time period its ATP team needs
                  to complete the ATP; and

               c. RF interference from outside sources; and

               d. The need to respond to complaints of third parties alleging
                  Customer's System interferes with their systems, unless the
                  Equipment sold hereunder is defective or not operating within
                  licensed parameters; and

               e. Unavailable Sites.

8.0     FNE WARRANTY AND SOFTWARE MAINTENANCE PROGRAM

        8.1    FNE Hardware Warranty

               8.1.1  FNE is warranted to be free from defects in material and
                      workmanship at time of shipment and will be warranted [*].
                      The [*] EBTS Equipment hardware warranty during the
                      warranty period shall be [*] for all shipments that occur
                      during the effective dates of this Agreement. All other
                      warranty charges shall be as per the Price Book. Parts
                      will be repaired at the Motorola repair depot [*] except
                      as outlined herein.

               8.1.2  Customer shall be responsible for the initial level of
                      diagnosis (i.e., for identification and isolation of FNE
                      hardware problems to the board level), for hardware,
                      firmware and software removal and replacement, and for
                      sending the malfunctioning product, packed in a manner to
                      prevent damage, to the designated Motorola repair depot.
                      Customer shall be responsible for [*] Motorola's repair
                      depot. When such products or their replacements are being
                      returned to Customer, Motorola shall bear such charges.

               8.1.3  Parts and labor at the Motorola repair depot to repair or
                      replace defective FNE will be [*].

               8.1.4  In the event a defect occurs during the warranty period
                      Motorola, at its option, will either repair or replace the
                      product. Any item replaced will be deemed to be on an
                      exchange basis, and any item retained by Motorola through
                      replacement will become the property of Motorola. Repaired
                      or replaced parts shall have a warranty of the greater of
                      the remainder of this warranty period or [*].
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Motorola/Nextel International/[See schedule Item 3 ]              25              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   26

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

        8.2    This Warranty does not cover defects, damage, or malfunctions
               resulting from:

               8.2.1  Use of the products in other than their normal and
                      customary manner.

               8.2.2  Misuse, accident, neglect, environmental or Site
                      conditions not conforming to the specifications for the
                      product as set out in the current Equipment
                      specifications, or unauthorized access to source or object
                      code or unauthorized manipulation of Software elements

               8.2.3  Unauthorized alterations or repairs, use of un-approved
                      parts in the products or the combination or interfacing of
                      the products, use of "gray market" parts or components, in
                      each case in a manner not approved by Motorola which
                      approval shall not be unreasonably withheld or delayed.
                      "Gray market" components or parts are those components or
                      parts purchased (a) outside the United States or (b) from
                      unauthorized sellers of such components or parts.

               8.2.4  An event of Force Majeure.

               8.2.5  Installation, integration, or movement of products from
                      their original installation Site that is not in accordance
                      with Motorola hardware configuration and datafill
                      guidelines.

               8.2.6  Failure of antennas, lines, or any part of the
                      Interconnect Facilities.

               8.2.7  Failure of Customer to maintain or provide maintenance for
                      the System pursuant to Motorola Equipment and Software
                      maintenance agreements, or other maintenance,
                      substantially in accordance with the Documentation and
                      under the supervision of one or more individuals who shall
                      have completed appropriate Motorola training.

               8.2.8  Damage which occurs during shipment of the product to
                      Motorola for warranty repair.

        8.3    Except as associated with an agreed-to assignment, this express
               warranty is extended by Motorola to Customer only and is valid
               only in the Area.

        8.4    Software Maintenance Program (SMP)

               8.4.1  Customer commits to purchase SMP on an annual basis for
                      each year of the term of this Agreement for all its iDEN
                      Equipment and Software, and
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<S>                                                              <C>             <C>
Motorola/Nextel International/[See schedule Item 3 ]              26              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   27

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

                      Motorola commits to offer SMP at the prices set forth in
                      Exhibit "K" for 2000. Future years shall be calculated by
                      Motorola on a similar basis as the 2000 Exhibit "K" prices
                      and provided to Customer. Customer shall pay the "Total
                      SMP" price per Subscriber shown in the "Total NII" column
                      of Exhibit "K" times the number of Subscribers in service
                      (as calculated per the procedures set forth in Exhibit
                      "K"). This Total NII SMP Price per Subscriber is based on
                      the aggregated SMP costs for all NII Affiliates divided by
                      the aggregated number of Subscribers for all NII
                      Affiliates. For calendar year 2000, Motorola quoted this
                      same Total NII SMP price per Subscriber figure to each NII
                      Affiliate. (See Section 3 of the Year 2000 SMP Proposal
                      for Customer, set forth in Exhibit "O".) In future years,
                      Motorola shall include the "Nortel Patch" shown in the
                      bottom row of Exhibit "K" in the calculations for Total
                      SMP. If in future years Nextel International elects to
                      depart from an NII Affiliate average SMP pricing
                      methodology, Motorola shall charge the actual SMP costs
                      for each market for such years. Customer shall pay SMP
                      fees on a quarterly basis. The quarterly payment shall be
                      one-quarter of the calculated annual payment. The quoted
                      prices are for the services defined in Exhibit "O". The
                      SMP Agreement shall be evidenced by Customer's Purchase
                      Order indicating which sections of said proposal are
                      agreed to by Customer and Motorola. Any additional
                      services agreed to by Customer and Motorola shall also
                      contain applicable pricing for such services.

               8.4.2  Motorola warrants that at the time of ATP or delivery of
                      Software, that the Software will cause the System to
                      operate as required by the ATP. Thereafter, all
                      reproducible software defects or bugs shall be corrected
                      as part of SMP.

               8.4.3  Motorola represents and warrants that Software supplied
                      under this Agreement does not have "Software Traps"
                      designed to permit unauthorized access, to disable or
                      erase software, hardware or data or to perform any other
                      such actions.

        8.5    Non-FNE Products

               Non-FNE products are warranted only to the extent provided to
               Motorola by the manufacturer or supplier of such product.
               Motorola shall identify in the Price Book the extent of third
               party warranties.
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<S>                                                              <C>             <C>
Motorola/Nextel International/[See schedule Item 3 ]              27              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   28

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

        8.6    Motorola warrants that each hardware, software, and firmware
               product delivered under this Agreement and listed on Exhibit "M"
               as "Year 2000 Compliant" shall be able to accurately process date
               data (including, but not limited to, calculating, comparing, and
               sequencing) from, into, and between the year 1999 and the year
               2000, including leap year calculations, when used in accordance
               with the product documentation provided by Motorola, provided
               that all listed or unlisted products (e.g., hardware, software,
               firmware) used in combination with such listed product properly
               exchange date data with it. This warranty shall extend to
               date-related defects discovered through January 1, 2001. Customer
               must notify Motorola, in writing, no later than January 1, 2001
               of Product that does not conform to this Express Warranty. The
               remedied available for breach of this warranty shall be as
               defined in, and subject to, the terms and limitations of Sections
               8.1 through 8.5 and Section 8.7. Except as provided herein,
               nothing in this warranty statement shall be construed to limit
               any rights or remedies provided elsewhere in this Agreement with
               respect to matters other than Year 2000 performance.

        8.7    THE WARRANTIES IN THIS AGREEMENT ARE GIVEN IN LIEU OF ALL OTHER
               WARRANTIES, EXPRESS OR IMPLIED, WHICH ARE SPECIFICALLY EXCLUDED,
               INCLUDING, WITHOUT LIMITATION, WARRANTIES OF MERCHANTABILITY AND
               FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MOTOROLA BE
               LIABLE FOR INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL OR
               PUNITIVE DAMAGES TO THE FULL EXTENT SUCH MAY BE DISCLAIMED BY
               LAW.

               MOTOROLA WARRANTS THAT FOR THE TERM OF THIS AGREEMENT THAT THE
               INDIVIDUAL FNE PRODUCTS WILL OPERATE TOGETHER AS A SYSTEM WITHIN
               GENERAL OPERATING LIMITS SPECIFIED IN EXHIBIT "B", SO LONG AS THE
               AVERAGE SUBSCRIBER USAGE CHARACTERISTICS OF THE INDIVIDUAL FNE
               PRODUCTS AT BUSY HOUR DO NOT CAUSE THE PEAK CAPACITY LIMITS OF
               INDIVIDUAL FNE PRODUCTS TO BE EXCEEDED AND ANY EQUIPMENT
               INSTALLED BY THE CUSTOMER WITHOUT MOTOROLA INTEGRATION AND GATP
               ASSISTANCE IS INSTALLED IN ACCORDANCE WITH MOTOROLA HARDWARE
               CONFIGURATION AND DATAFILL GUIDELINES; BATTERIES ARE EXCLUDED BUT
               CARRY THEIR OWN SEPARATE LIMITED WARRANTY FROM THEIR
               MANUFACTURER. MOTOROLA DISCLAIMS LIABILITY FOR RF COVERAGE UNDER
               THIS WARRANTY.
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<S>                                                              <C>             <C>
Motorola/Nextel International/[See schedule Item 3 ]              28              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   29

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

9.0     PRODUCT CHANGES OR SUBSTITUTIONS

               At any time during its performance of this Agreement, Motorola
               may implement changes in the products set forth in Exhibit "B",
               modify the drawings and specifications relating thereto, or
               substitute therefor products of more recent design; provided,
               however, that any such changes, modifications or substitutions,
               under normal and proper use:

                      (1)    shall not materially or adversely affect physical
                             or functional interchangeability or performance
                             (except where there is written agreement between
                             Customer and Motorola that the change can be made
                             after Customer knows the effect thereof);

                      (2)    shall not detract from the safety of the product;
                             and

                      (3)    shall be Spectrum Regulatory Agency type-accepted,
                             if required.

                      (4)    Motorola shall notify Customer of any change that
                             materially affects performance of the Equipment.

10.0    DISCLAIMER OF PATENT LICENSE AND INTERFACE LICENSES

        10.1   Nothing contained in this Agreement shall be deemed to grant,
               either directly or by implication, any license under any patents
               or patent applications of Motorola, except that Customer shall
               have the normal non-exclusive royalty-free license to use which
               is implied, or otherwise arises by operation of law, in the sale
               of a product.

         10.2  If Nextel Communications, Inc. obtains a second source for iDEN
               infrastructure Equipment, Motorola shall extend Interface
               Licenses to qualified licensees on terms to be negotiated to
               cover Customer.

11.0    INTELLECTUAL PROPERTY INDEMNITY

        11.1   Motorola shall defend Customer against a claim that
               Motorola-manufactured products or latest unmodified release of
               Software supplied hereunder infringe a [See schedule Item 3 ]
               patent or [See schedule Item 3 ] copyright, provided that (i)
               Customer promptly notifies Motorola in writing of the claim, (ii)
               Motorola has sole control of the defense and all related
               settlement negotiations, and (iii) Customer gives Motorola
               information and assistance for the defense of all at Motorola's
               expense provided, however, that Customer's failure to provide
               such

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<S>                                                              <C>             <C>
Motorola/Nextel International/[See schedule Item 3 ]              29              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   30

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

               notice shall not relieve Motorola of liability under this Section
               11 except to the extent Motorola was prejudiced thereby. Subject
               to the conditions and limitations of liability stated in this
               Agreement, Motorola shall indemnify and hold Customer harmless
               from all payments which by final judgments in such suits may be
               assessed against Customer on account of such infringement and
               shall pay resulting settlements, costs and damages finally
               awarded against Customer by a court of law.

        11.2   Customer agrees that if Equipment or Software become, or in
               Motorola's opinion are likely to become, the subject of such a
               claim, Customer will permit Motorola, at its option and expense,
               either to procure the right for Customer to continue using such
               Equipment or Software or to replace or modify same so that they
               become non-infringing without affecting the function and
               capability, and if neither of the foregoing alternatives is
               available on terms which are reasonable in Motorola's judgment,
               Customer can return Motorola-manufactured products and/or
               Software for full credit on the entire unusable portion thereof.

        11.3   Motorola has no liability for any claim of patent or copyright
               infringement to the extent based upon adherence to
               specifications, designs or instructions furnished by Customer,
               nor for any claim based upon the combination, operation or use of
               any Motorola-manufactured products or Software supplied hereunder
               with products, software or data not supplied by Motorola, nor for
               any claim to the extent based upon alteration of the products or
               modification of any software supplied by entities other than
               Motorola.

12.0    CONFIDENTIALITY

        12.1   From time to time during the performance of this Agreement, the
               parties may deem it necessary to provide each other with
               Confidential Information. The parties agree:

               12.1.1 To maintain the confidentiality of such Confidential
                      Information and not disclose same to any third party,
                      except as provided below or as authorized by the original
                      disclosing party in writing, or in connection with a
                      public or private debt or equity offering of securities by
                      any party or its affiliates, or as required by law or a
                      court or as required for compliance with the United States
                      federal securities laws and [See schedule Item 3 ]
                      securities laws, provided no documents shall be given to
                      the Securities and Exchange Commission ("SEC") or the [See
                      schedule Item 3 ] securities authorities until Motorola
                      has had an opportunity to review them. Any

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<S>                                                              <C>             <C>
Motorola/Nextel International/[See schedule Item 3 ]              30              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   31

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

                      such information that Motorola believes is confidential
                      Customer will use its reasonable best efforts to get
                      confidential treatment from the SEC and the [See schedule
                      Item 3 ] securities authorities. Such Confidential
                      Information also includes oral and visual Confidential
                      Information.

               12.1.2 To restrict disclosure of Confidential Information to
                      employees and technical, legal and financial consultants
                      who have a "need to know". Such Confidential Information
                      shall be handled with the same degree of care which the
                      receiving party applies to its own confidential
                      information but in no event less than reasonable care.

               12.1.3 To take precautions necessary and appropriate to guard the
                      confidentiality of Confidential Information, including
                      informing its employees and consultants who handle such
                      Confidential Information that it is confidential and not
                      to be disclosed to others and as to all technical
                      consultants obtain a signed non-disclosure agreement
                      consistent herewith.

               12.1.4 That Confidential Information is and shall at all times
                      remain the property of the disclosing party. No use of any
                      Confidential Information is permitted except as otherwise
                      provided herein and no grant under any proprietary rights
                      is hereby given or intended, including any license implied
                      or otherwise.

               12.1.5 To use such Confidential Information only as required in
                      performance of this Agreement.

        12.2   Except as may be required by applicable law, neither party shall
               disclose to any third party the contents of this Agreement, the
               Exhibits or any amendments hereto or thereto for a period of [*]
               from the date of execution hereof without the prior written
               consent of the other except as provided for in Section 12.1.1.

13.0    TRADEMARK AND PUBLICITY

        Nothing contained in this Agreement shall be construed as conferring any
        right to use any name, trademark or other designation of either party
        hereto, including any contraction, abbreviation, or simulation of any of
        the foregoing, in advertising, publicity or marketing activities. No
        publicity, advertising, etc. with regard to this Agreement or the System
        which mentions the other party shall be released without prior written
        consent of the other party.
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<S>                                                              <C>             <C>
Motorola/Nextel International/[See schedule Item 3 ]              31              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   32

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

14.0    SHIPMENT, DELIVERY AND PACKING

        14.1   Motorola may ship products at any time during the "Time Frame"
               (the interval between the shipment/implementation date and the
               completion date for a particular activity as set forth in the
               Implementation Schedule) and may invoice Customer upon shipment
               as provided in Section 6 of this Agreement. No shipment of
               products during said Time Frame shall be considered early for
               purposes of invoicing.

        14.2   Customer shall select the carrier and notify Motorola in writing
               or instruct Motorola to use the best available carrier or the
               carrier most recently used by Customer, unless Customer notifies
               Motorola not to use such carrier.

        14.3   Motorola shall use all reasonable efforts to ship products
               directly to the Site or Customer designated warehouse.

        14.4   In the event that the Site or Customer designated warehouse is
               not available to receive Equipment because Customer has not met
               its obligations hereunder to receive the products when shipped,
               Motorola, at its option, upon notice to Customer, may ship said
               products to a warehouse in or near the area as designated by
               Customer, and Customer shall bear the costs of warehousing,
               reloading, transporting, off-loading and moving the products onto
               the Site when such Site becomes available.

        14.5   Shipping documentation shall be developed to the mutual
               satisfaction of Customer and Motorola. Shipping terms are FCA
               manufacturing site or Motorola facility. The manufacturing site
               may be other than a USA facility.

        14.6   Motorola shall have the Equipment securely packed so as to
               withstand numerous handlings and loading as appropriate for
               inland, sea and/or air transportation. Motorola shall take
               reasonable protective measures to protect Equipment from weather
               and shock, considering the different shapes and special features
               of the Equipment.

15.0    TITLE, INDEMNITY, INSURANCE

        15.1   Good title, free and clear of all liens or other encumbrances to
               the FNE and other Motorola provided products supplied hereunder
               and risk of loss for all such products shall pass to Customer
               upon delivery FCA point of shipment.

        15.2   The above notwithstanding, title to Software and underlying
               intellectual property rights (i.e., patents, copyrights,
               proprietary and confidential information, and

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<S>                                                              <C>             <C>
Motorola/Nextel International/[See schedule Item 3 ]              32              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   33

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

               know-how) belonging to Motorola or any other third party shall
               remain with Motorola or such third party. This Agreement only
               grants a right to use such Software.

        15.3   All Equipment sold to Customer hereunder is new and Motorola will
               provide any documents which may be reasonably requested by
               Customer evidencing this fact.

        15.4   DURING THE TERM OF THIS AGREEMENT THE PARTIES SHALL INDEMNIFY AND
               HOLD HARMLESS EACH OTHER TOGETHER WITH THEIR DIRECTORS, OFFICERS,
               AGENTS, EMPLOYEES, AFFILIATES AND SUBSIDIARIES FROM ANY AND ALL
               LOSS, DAMAGE, EXPENSE, JUDGMENT, LIEN, SUIT, CAUSE OF ACTION,
               DEMAND OR LIABILITY (COLLECTIVELY, "LOSS") FOR PERSONAL INJURY
               (INCLUDING DEATH) AND TANGIBLE PROPERTY DAMAGE WHICH MAY BE
               IMPOSED ON OR INCURRED BY ONE PARTY ARISING DIRECTLY OUT OF THE
               INTENTIONAL MISCONDUCT OR NEGLIGENT ACTS OR OMISSIONS OF THE
               OTHER, ITS AGENTS, SUBCONTRACTORS, OR EMPLOYEES DURING THE
               PERFORMANCE OF ANY WORK HEREUNDER. THE INDEMNIFYING PARTY SHALL,
               AT ITS SOLE EXPENSE, DEFEND ANY SUIT BASED UPON A CLAIM OR CAUSE
               OF ACTION WITHIN THE FOREGOING INDEMNITY PROVISION AND SATISFY
               ANY JUDGMENT THAT MAY BE RENDERED AGAINST THE OTHER RESULTING
               THEREFROM, PROVIDED THAT THE INDEMNIFYING PARTY SHALL BE GIVEN
               (I) PROMPT NOTICE OF ANY SUCH CLAIM OR SUIT; AND (II) FULL
               OPPORTUNITY TO DEFEND SUCH CLAIM OR SUIT; PROVIDED, HOWEVER, THAT
               FAILURE TO PROVIDE SUCH NOTICE SHALL NOT RELIEVE THE INDEMNIFYING
               PARTY OF LIABILITY UNDER THIS SECTION EXCEPT TO THE EXTENT THE
               INDEMNIFYING PARTY WAS PREJUDICED THEREBY. THE INDEMNIFIED PARTY
               MAY, AT ITS ELECTION, PARTICIPATE IN THE DEFENSE OF ANY SUIT, AND
               SHALL COOPERATE FULLY IN DEFENDING ANY CLAIM OR SUITS. THE
               INDEMNIFYING PARTY SHALL PAY ALL COSTS, EXPENSES, AND REASONABLE
               ATTORNEY'S FEES INCURRED BY THE INDEMNIFIED PARTY IN CONNECTION
               WITH ANY SUCH SUIT OR IN ENFORCING THIS INDEMNITY PROVISION,
               PROVIDED A VALID CLAIM IS PRESENTED.

               WITHOUT LIMITING THE FOREGOING PARAGRAPH, EACH PARTY SHALL
               INDEMNIFY AND HOLD HARMLESS THE OTHER PARTY, ITS DIRECTORS,
               OFFICERS, AGENTS, EMPLOYEES, AFFILIATES AND
<TABLE>
<S>                                                              <C>             <C>
Motorola/Nextel International/[See schedule Item 3 ]              33              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   34

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

               SUBSIDIARIES FROM ANY AND ALL LOSS, AS DEFINED IN THAT PARAGRAPH,
               WHICH IS BASED UPON OR ALLEGED TO ARISE FROM, ANY STATEMENT,
               REPRESENTATION, INFORMATION OR OTHER COMMUNICATION MADE BY THE
               PARTY, ITS OFFICERS, EMPLOYEES, UNDERWRITERS, OR AGENTS TO
               OFFEREES, PURCHASERS OR POTENTIAL CUSTOMERS OF CUSTOMER STOCK OR
               OTHER SECURITIES, INCLUDING BUT NOT LIMITED TO ANY STATEMENT,
               REPRESENTATION, INFORMATION OR OTHER COMMUNICATION CONCERNING
               THIS AGREEMENT, THE IDEN SYSTEM, SPECIALIZED MOBILE RADIO SYSTEMS
               OR TECHNOLOGY IN GENERAL AND INCLUDING BUT NOT LIMITED TO ANY
               LOSS ARISING UNDER APPLICABLE SECURITIES LAWS.

        15.5   Customer and Motorola each shall be named as additional insured
               under the other's comprehensive general liability policy for
               claims arising out of work performed hereunder (which includes
               but is not limited to product and public liability, property and
               all risk insurance).

16.0    FORCE MAJEURE - EXCUSABLE DELAY

        16.1   Neither party shall be liable for delays in delivery or
               performance, or for failure to manufacture, deliver or perform
               when caused by any of the following which are beyond the
               reasonable control of the delayed party:

               16.1.1 Acts of God, acts of the public enemy, acts or failures to
                      act by the other party, acts of civil or military
                      authority, governmental priorities and regulatory actions,
                      strikes or other labor disturbances, hurricanes,
                      earthquakes, fires, floods, epidemics, embargoes, war,
                      riots, delays in transportation, and loss or damage to
                      goods in transit, or;
               16.1.2 Inability on account of causes beyond the reasonable
                      control of the delayed party or its suppliers to obtain
                      necessary products, components, services, or facilities.

        16.2   In the event of any such delay, the date of delivery or
               performance shall be extended for a period equal to the period of
               time lost by reason of the delay. If any such delay lasts for
               more than one hundred eighty (180) days, Customer and Motorola
               shall consult with one another for the purpose of agreeing upon
               the basis on which the delayed party shall resume work at the end
               of the delay. If no reasonable solution to the delay is
               available, then either party may, by written

<TABLE>
<S>                                                              <C>             <C>
Motorola/Nextel International/[See schedule Item 3 ]              34              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   35

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

               notice, cancel that portion of the Agreement which is delayed,
               and adjust the Agreement price appropriately.

17.0    TERMINATION

        17.1   Either party may terminate this Agreement without liability by
               the giving of notice, in accordance with Section 23, if (i) the
               other makes a general assignment for the benefit of creditors or
               goes into compulsory or voluntary liquidation, (ii) if a petition
               in bankruptcy or under any insolvency law is filed by or against
               the other and such petition is not dismissed within sixty (60)
               days after it has been filed, or (iii) the other shall commit any
               material breach of its obligations hereunder.

               In the case of any material breach, neither party shall terminate
               this Agreement unless and until the other shall have failed to
               cure such breach within thirty (30) days after it shall have been
               served with a notice, in accordance with Section 23, (i) stating
               the nature of the breach, (ii) requiring that the breach be
               cured, and (iii) stating its intention to terminate the Agreement
               if compliance with the notice is not met.

        17.2   The termination of this Agreement shall not affect or prejudice
               any provisions of this Agreement which are expressly or by
               implication provided to continue in effect after such
               termination.

        17.3   If this Agreement is terminated, Motorola shall have the right to
               determine whether any unfilled Purchase Orders, Project
               Agreements, or Motorola Quotations in existence at the time of
               such termination shall be completed under the terms of this
               Agreement or canceled.

18.0    LIMITATION OF LIABILITY

        NEITHER PARTY, EXCEPT AS SPECIFICALLY OTHERWISE PROVIDED HEREIN, WHETHER
        AS A RESULT OF BREACH OF AGREEMENT, WARRANTY, TORT (INCLUDING WITHOUT
        LIMITATION NEGLIGENCE), PATENT INFRINGEMENT, COPYRIGHT INFRINGEMENT, OR
        OTHERWISE, SHALL HAVE ANY LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL
        DAMAGES, INCLUDING, BUT NOT LIMITED TO, LOSS OF PROFIT OR REVENUES, LOSS
        OF USE OF THE PRODUCTS OR ANY ASSOCIATED EQUIPMENT, COST OF CAPITAL,
        COST OF SUBSTITUTE PRODUCTS, (EXCEPT REPLACEMENT PRODUCTS UNDER SECTIONS
        9 AND 13), FACILITIES OR SERVICE, OR

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<S>                                                              <C>             <C>
Motorola/Nextel International/[See schedule Item 3 ]              35              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   36

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

        DOWNTIME COSTS OR CLAIMS OF THIRD PARTIES TO THE FULL EXTENT SUCH MAY BE
        DISCLAIMED BY LAW.

19.0    ASSIGNMENT - RESALE OF EQUIPMENT

        19.1   Any re-sale of Equipment will require a re-licensing of the
               Software from Motorola, including payment of an IPL license fee
               by the new owner. Motorola reserves the right to relicense the
               software in countries Motorola is concerned over intellectual
               property rights or to users not approved by Motorola. Any
               sale-leaseback of equipment by the Customer will not require
               re-licensing or IPL Licensing fees and Motorola will cooperate
               with leasing company, as in the past, to provide appropriate
               waivers. Re-licensing and to qualifying international affiliates
               under Section 4.22 of the iDEN Infrastructure [*] Supply
               Agreement effective as of January 1, 1999 between Motorola, Inc.
               and Nextel Communications, Inc. shall be based upon rework fees
               and other expenses Motorola incurs, if any.

        19.2   The Agreement shall accrue to the benefit of and be binding upon
               the parties hereto and any successor entity into which either
               party shall have been merged or consolidated or to which either
               party shall have sold or transferred all or substantially all its
               assets. Specifically, Motorola may assign this Agreement,
               provided that Motorola, Inc. shall remain liable for performance
               hereunder. This Agreement shall not be otherwise assigned by
               either party without the prior written consent of the other
               party. In conjunction with any agreed to assignment of this
               Agreement, Motorola agrees to license the assignee pursuant to
               the terms set forth in Exhibit "F". A reasonable new Software
               License Fee may be required of any successive owner of iDEN
               infrastructure Equipment.

        19.3   Notwithstanding anything to contrary elsewhere in this Agreement,
               Customer may pledge, mortgage or otherwise assign all or any
               portion of this Agreement or any orders hereunder (or any
               combination thereof) to one or more providers of debt or equity
               financing (provided any such intended assignee is not a person or
               entity listed on the United States Department of Commerce Denied
               Parties List or to a person or entity residing in a country to
               which export of the iDEN Equipment is prohibited under United
               States law) upon terms and conditions satisfactory to Customer,
               provided that (i) Customer will remain liable for all obligations
               arising out of this Agreement, (ii) the assignee agrees in
               writing that the terms and conditions of this Agreement shall
               apply to and be binding upon the assignee to the same extent as
               Customer, to the extent that the assignee is exercising any right
               under this Agreement, (iii) in addition to any rights conferred
               on the assignee, and

<TABLE>
<S>                                                              <C>             <C>
Motorola/Nextel International/[See schedule Item 3 ]              36              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   37

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

               Customer shall be treated as having placed the order and paid for
               purchases for purposes of all rights and benefits available to
               Customer under this Agreement.

        19.4   Motorola retains the right to subcontract, in whole or in part,
               any effort required to fulfill its obligations under this
               Agreement, provided Motorola shall remain liable for performance
               hereunder.

        19.5   Any resale of the FNE to a third party shall be subject to
               Motorola's approval, which shall not be unreasonably withheld and
               shall require execution of a Software License between Motorola
               and such third party and payment of a reasonable Software License
               fee.

        19.6   The parties acknowledge that the resale restrictions herein apply
               to infrastructure equipment only. The subscriber Agreement deals
               with subscriber unit warranty and licensing pass through.
               However, it is understood that Subscriber Units are expected to
               be sold to end users.

        20.0   SWITCH IN TECHNOLOGY

               20.1   If Customer determines that iDEN technology is no longer
                      suited to its needs in part or in whole and consequently
                      commercially viable to provide reliable digital dispatch,
                      short message service, voice interconnect, circuit
                      switched data and packet data services, Customer shall
                      give notice of such determination to Motorola describing,
                      with reasonable specificity any technology failure(s)
                      and/or the reasons for Customer's determination at least
                      six (6) months in advance of any public announcement or
                      formal contract to purchase alternate technology
                      ("Alternate Technology").

               20.2   In the case of a switch to an Alternate Technology that
                      Motorola manufactures or elects to manufacture, Customer
                      shall give Motorola the opportunity to supply Fifty
                      Percent (50%) of Customer's needs of the Alternate
                      Technology for infrastructure equipment of the Alternate
                      Technology for a period of three (3) years following a
                      public announcement to change the technology.

               20.3   If Customer makes a switch to Alternate Technology and
                      Customer fails to maintain operational iDEN infrastructure
                      equipment at the majority of its commercial cell sites
                      deployed at the date such switch is first publicly
                      announced, all financing outstanding by Motorola or its
                      affiliates to Customer and its wholly owned or controlled
                      subsidiaries shall become

<TABLE>
<S>                                                              <C>             <C>
Motorola/Nextel International/[See schedule Item 3 ]              37              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   38

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

                      immediately due and payable upon written notice by
                      Motorola to Customer.

21.0    GOVERNING LAW

        The validity, performance, and all matters relating to the effect of
        this Agreement and any amendment hereto shall be governed by the laws of
        the State of Illinois, USA, without regard to its conflicts of laws
        provisions.

22.0    ORDER OF PRECEDENCE

        In the event of an inconsistency in this Agreement, the inconsistency
        shall be resolved by giving precedence in the following order:

        22.1   This Agreement and duly executed amendments thereto, with the
               latest amendment precedence over earlier amendments;

        22.12  Exhibit "F" and all duly executed Amendments to Exhibit "F";

        22.13  The Price Book, as may be amended from time to time by Motorola;

        22.14  Purchase Orders and duly executed Change Orders thereto, with the
               latest Change Order taking precedence over earlier Change Orders;

        22.15  Project Agreements or Motorola Quotations and duly executed
               Change Orders thereto, with the latest Change Order taking
               precedence over earlier Change Orders;

        22.6   All other Exhibits in alphabetical order and all duly executed
               Amendments or Change Orders to said Exhibits.

        Purchase Orders will be used only to identify the quantity, location,
        price, and payment terms as allowed by this Agreement for Equipment,
        Software or Services ordered. No pre-printed or other terms and
        conditions on such Purchase Orders shall apply, and the terms and
        conditions herein shall control.

23.0    NOTICE

        23.1   Notices required to be given by one party to another shall be
               deemed properly given if reduced to writing and personally
               delivered or transmitted by recognized express mail, by
               registered or certified post to the address below, postage
               prepaid,

<TABLE>
<S>                                                              <C>             <C>
Motorola/Nextel International/[See schedule Item 3 ]              38              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   39

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

               or by facsimile with a confirmation of transmission printed by
               sender's facsimile machine, and shall be effective upon receipt.

               23.1.1 Customer shall receive notices as follows:

                      [See schedule Item 1 ]
                      [See schedule Item 2 ]
                      Attention: President
                      [See schedule Item 6 ]

               23.1.2 Nextel International shall receive notices as follows:

                      Nextel International, Inc.
                      10700 Parkridge Blvd.
                      Reston, VA 20191
                      Attention: V. P. Operations
                      Fax:     [*]

                      With a copy to:

                      Nextel International, Inc.
                      2001 Edmund Halley Drive
                      Reston, VA 20191
                      Attention: General Counsel's Office
                      Fax:   [*]

               23.1.3 Motorola shall receive notices as follows:
                        Motorola, Inc.
                        Network Solutions Sector
                        Customer Solutions Group
                        North American Region
                        1301 East Algonquin Road
                        Schaumburg, Illinois USA 60196
                        Attention:  Vice President and Director iDEN North
                        American Operations
                        Fax #:  [*]

                        With a copy to:

<TABLE>
<S>                                                              <C>             <C>
Motorola/Nextel International/[See schedule Item 3 ]              39              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   40

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

                        Motorola, Inc.
                        Network Solutions Sector
                        Customer Commercial Relations
                        North American Region
                        1301 East Algonquin Road
                        Schaumburg, Illinois 60196
                        Attention: Director, Contracts and Regulatory
                        Fax #: [*]

        23.2   Either party may change the addresses for giving notice from time
               to time by written instructions to the other of such change of
               address.

24.0    SURVIVAL OF PROVISIONS

        The parties agree that where the context of any provision indicates an
        intent that it shall survive the term of this Agreement then it shall
        survive.

25.0    COVENANT NOT TO SOLICIT EMPLOYMENT

        Customer and Motorola hereto agree that during the period of time
        beginning with the execution of this Agreement and ending with the
        termination of this Agreement, neither party shall solicit any employee
        of the other involved in providing engineering, installation,
        integration, maintenance, and/or warranty service or to encourage such
        employee to work for the other. If, at any time, this provision is found
        to be overly broad under the laws of an applicable jurisdiction, this
        provision shall be modified as necessary to conform to such laws rather
        than be stricken herefrom.

26.0    GENERAL

        Failure or delay on the part of Motorola or Customer to exercise any
        right, power, or privilege hereunder shall not operate as a waiver. If
        any provision of this Agreement is contrary to, prohibited by or held
        invalid by any law, rule, order, or regulation of any government or by
        the final determination of any state or federal court, such invalidity
        shall not affect the enforceability of any other provisions not held to
        be invalid. Section and paragraph headings used in this Agreement are
        for convenience only and are not to be used to construe the provisions
        of this Agreement.

<TABLE>
<S>                                                              <C>             <C>
Motorola/Nextel International/[See schedule Item 3 ]              40              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   41

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

27.0    AUTHORITY

        Each party hereto represents and warrants that:

        27.1   It has obtained all necessary approvals, consents and
               authorizations of third parties and governmental authorities to
               enter into this Agreement and has obtained or will obtain all
               necessary approvals, consents and authorizations of third parties
               and governmental authorities to perform and carry out its
               obligations hereunder;

        27.2   The persons executing this Agreement on its behalf have express
               authority to do so, and, in so doing, to bind the party thereto;

        27.3   The execution, delivery, and performance of this Agreement does
               not violate any provision of any bylaw, charter, regulation, or
               any other governing authority of the party; and;

        27.4   The execution, delivery, and performance of this Agreement has
               been duly authorized by all necessary partnership or corporate
               action and this Agreement is a valid and binding obligation of
               such party, enforceable in accordance with its terms.

28.0    TERM

        The term of this Agreement shall be from June 30, 2000 until December
        31, 2003 unless an Exhibit provides otherwise.

29.0    RE-EXPORTATION OF TECHNICAL DATA OR PRODUCTS

        Customer understands that all equipment, proprietary data, know-how,
        software, or other data or information obtained by Customer from
        Motorola is considered to be United States technology and is licensed
        for export and re-export by the United States Government. Customer
        therefore agrees that it will not, without the prior written consent of
        Motorola and the Office of Export Control, United States Department of
        Commerce, Washington, DC 20230, USA, knowingly export, re-export, or
        cause to be exported or re-exported, either directly or indirectly, any
        such equipment, proprietary data, know-how, software, or other data or
        information, or any direct or indirect product thereof, to any
        destination prohibited or restricted under United States law. Customer
        understands that the list of prohibited or restricted destinations may
        be amended from time to time by the United States Department of Commerce
        and that all such amendments shall be applicable to this Agreement.

<TABLE>
<S>                                                              <C>             <C>
Motorola/Nextel International/[See schedule Item 3 ]              41              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   42

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

30.0    DISPUTES AND DISPUTE RESOLUTION

        The parties will attempt to settle any claim or controversy arising out
        of this Agreement through consultation and negotiation in good faith and
        a spirit of mutual cooperation. If those attempts fail, then, except for
        disputes related to alleged patent, copyright, or trademark
        infringement, the dispute will be mediated by a mutually acceptable
        mediator to be chosen by the Motorola and Customer within thirty (30)
        days after written notice by the other demanding mediation. Neither
        party may unreasonably withhold consent to the selection of a mediator,
        and Motorola and Customer will share the costs of the mediation equally.
        Venue for mediation shall be the United States of America. By mutual
        agreement, however, the parties may postpone mediation until they have
        each completed some specified but limited discovery about the dispute.
        The parties may also agree to replace mediation with some other form of
        alternative dispute resolution (ADR), such as neutral fact-finding or a
        mini-trial.

        Any dispute which the parties cannot resolve through negotiation,
        mediation, or other form of ADR within four (4) months of the date of
        the initial demand for it may then be submitted to the Federal District
        Court of Delaware for resolution. The use of any ADR procedures will not
        be construed under the doctrines of latches, waiver, or estoppel to
        affect adversely the rights of either party. Nothing in this section
        will prevent either party from resorting to judicial proceedings if (a)
        good faith efforts to resolve the dispute under these procedures have
        been unsuccessful or (b) interim relief from a court is necessary to
        prevent serious and irreparable injury to one party or to others.

31.0    LANGUAGE

        The definitive text of this Agreement and its Exhibits shall be in
        English and all communications among the parties in the course of the
        present Agreement shall be made in English.

32.0    GOVERNMENT CONTRACTS

        In the event that Customer elects to provide goods or services to a
        Governmental Entity (defined herein), Customer does so solely at its
        option and risk and agrees not to obligate Motorola as a subcontractor
        or otherwise to such Governmental Entity. Customer remains solely and
        exclusively responsible for compliance with all statutes, regulations,
        and provisions governing sales to such entity. Motorola makes no
        representations, certifications, or warranties whatsoever with respect
        to the ability of its goods, services, or prices to satisfy any
        statutes, regulations, or provisions governing sales of goods or
        services to such Governmental Entity. The term "Governmental Entity" as
        used above

<TABLE>
<S>                                                              <C>             <C>
Motorola/Nextel International/[See schedule Item 3 ]              42              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   43

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

        includes any government agency, federal, provincial, or municipal, any
        United States federal, state, or local government, agency, or
        instrumentality as well as any other non-United States government,
        agency, or instrumentality. Notwithstanding the above, if Customer
        elects to sell goods or services to a Governmental Entity, Motorola will
        review any Customer request for, readily available information which
        Motorola may, at its option supply.

33.0    SEVERABILITY

        In the event that any one or more of the provisions contained in the
        Agreement or in any of the Exhibits hereto should be determined to be
        invalid, illegal, or unenforceable in any respect, the validity,
        legality, and enforceability of the remaining provisions shall not in
        any way be affected or impaired. The parties shall endeavor in good
        faith to replace any invalid, illegal, or unenforceable provision with a
        valid provision, the economic effect of which comes as close as possible
        to that of the invalid, illegal, or unenforceable provision.

34.0    ENTIRE AGREEMENT

        This Agreement and the Exhibits hereto constitute the entire
        understanding among the parties concerning the subject matter hereof and
        supersede all prior discussions, agreements, and representations,
        whether oral or written, and whether or not executed by the parties. The
        subject matter of this Agreement is iDEN Infrastructure Equipment
        purchases. Documents or agreements relating to the parties' equity
        ownership in each other, if any, Customer's purchases of Subscriber
        Equipment or Motorola financing agreements are not superseded by this
        Agreement. The Equipment and Services purchased on or before June 30,
        2000 under the terms and conditions of the [See schedule Item 4 ] shall
        be governed by such agreements. The terms and conditions for use of all
        Software, whenever purchased, shall be as set forth in this Agreement.
        All Equipment, Software and Services purchased on or after June 30, 2000
        shall be governed by the terms and conditions of this Agreement.

        No modification, Amendment, or other change may be made to this
        Agreement or any Exhibit unless reduced to writing and executed by
        authorized representatives of all parties, or in the case of a Change
        Order executed by authorized representatives of Customer and Motorola.

        The terms and conditions of this Agreement shall prevail notwithstanding
        any variance with the terms and conditions of any order submitted by
        Customer or any acceptance or acknowledgment by Motorola following
        execution of this Agreement. In no event shall the preprinted terms and
        conditions found on any Customer purchase order, Motorola
        acknowledgment, a Change Order, or other form be considered an
        Amendment, or

<TABLE>
<S>                                                              <C>             <C>
Motorola/Nextel International/[See schedule Item 3 ]              43              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   44

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

        modification of this Agreement, even if such documents are signed by
        representatives of all parties. Such preprinted terms and conditions
        shall be null and void and of no force and effect.

35.0    COUNTERPARTS

        This Agreement may be executed in multiple counterparts, each of which
        shall be deemed an original and all of which taken together shall
        constitute one and the same instrument.

36.0    COMMENCEMENT OF WORK

        Motorola's obligations to commence work hereunder shall begin upon the
        date which Purchase Orders are acknowledged by Motorola or Project
        Amendments are signed and delivered to Customer and Motorola. All time
        periods for completion of Motorola's obligations shall commence on such
        date.

THIS AGREEMENT IS EFFECTIVE AS OF THE 30 DAY OF JUNE 2000 ("EFFECTIVE DATE").

<TABLE>
<S>                                              <C>
MOTOROLA, INC.                                    [See schedule Item 1 ]
                                                          [See schedule Item 5 ]
By:                                               By:
          ------------------------------------            ---------------------------------------
          (Authorized Signatory)                          (Authorized Signatory)

Name                                              Name
          ------------------------------------            ---------------------------------------

Title:                                            Title:
          ------------------------------------            ---------------------------------------

                                                  NEXTEL INTERNATIONAL, INC.

By:                                               By:
          ------------------------------------            ---------------------------------------
                                                          (Authorized Signatory)

Name                                              Name
          ------------------------------------            ---------------------------------------

Title:                                            Title:
          ------------------------------------            ---------------------------------------
</TABLE>

<TABLE>
<S>                                                              <C>             <C>
Motorola/Nextel International/[See schedule Item 3 ]              44              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   45

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

                                  EXHIBIT LIST

EXHIBIT "A"    PROJECT AGREEMENTS

EXHIBIT "B"    Technical Overview: Notes On The iDEN System [The current version
               is maintained on the iDEN web site. A hard copy of the present
               version (68P81095E55-D dated May 11, 1999) is attached.]

EXHIBIT "C"    System Performance Criteria and Acceptance Test Plan

EXHIBIT "D"    [Intentionally Omitted]

EXHIBIT "E"    System Maintenance

EXHIBIT "F"    Software License

EXHIBIT "G"    Training

EXHIBIT "H"    Documentation

EXHIBIT "I"    [Intentionally Omitted]

EXHIBIT "J"    [Intentionally Omitted]

EXHIBIT "K"    SMP Pricing Summary

EXHIBIT "L"    Price Book, [*]

EXHIBIT "M"    Listing of "Year 2000 Compliant" Products

EXHIBIT "N"    IPL Fees Per Subscriber

EXHIBIT "O"    Year 2000 SMP Proposal for Customer, dated March 14, 2000

<TABLE>
<S>                                                              <C>             <C>
Motorola/Nextel International/[See schedule Item 3 ]              45              Equipment Purchase Agreement
</TABLE>

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   46

        Confidential: Use or disclosure of this document is subject to the
        restriction on the Confidentiality Statement.

<PAGE>   47
<TABLE>
<S>                                  <C>                    <C>
Motorola/Nextel International          Exhibit "A"                                       "A"-1
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

                                   EXHIBIT "A"
            TO iDEN(R) INFRASTRUCTURE EQUIPMENT PURCHASE AGREEMENT

                               PROJECT AGREEMENTS

For purposes of uniformity and brevity, references to "Agreement" or "Purchase
Agreement" or to an Exhibit shall refer to the above-referenced Agreement to
which this document is Exhibit "A" and to the other Exhibits to that Agreement.
All definitions set forth in the Agreement shall apply hereto.

1.0    PROJECT AGREEMENT PROCESS

The scope of a Project is limited to the Purchase Orders and the Motorola
Generic Statement of Work referenced in the Project Agreement. The Project
Agreement is intended neither as a reconciliation document nor as a means to
purchase Equipment, Software, and/or Services. All financial transactions shall
be conducted in accordance with the applicable Purchase Orders. A Project
Agreement format and example are attached to this Exhibit "A" as Appendices I
and II, respectively.

1.1    Upon acceptance of one or more Purchase Orders containing a grouping of
items that meets the definition of a System or System Expansion, Motorola shall
initiate a Project Agreement.

1.2    A Motorola Generic Statement of Work that defines the Project shall be
selected from the Price Book and referenced in Section I of the Project
Agreement. In the event an appropriate statement of work is not included in the
Price Book, a custom statement of work shall be incorporated into the Project
Agreement. The project Generic ATP sections will be listed in Section IV of the
Project Agreement.

1.3    The Purchase Order number(s), applicable line items, and values shall be
referenced in Section II of the Project Agreement for identification purposes
only. The total value of the Project Agreement shall reflect the System or
System Expansion requirements as described in the Customer Purchase Order(s).

1.4    Motorola does not warrant that a Project Agreement will contain all
necessary requirements for completion of the specific System or System Expansion
Project stated in the Project Agreement. Motorola is responsible only for the
Equipment, Software, and Services set forth and provided by Customer in the
Purchase Orders issued for the Project. Additional Purchase Orders will be
required and incorporated into the Project Agreement by amendment, as

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   48

<TABLE>
<S>                                  <C>                    <C>
Motorola/Nextel International          Exhibit "A"                                       "A"-2
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

appropriate, in the event additional Equipment, Software, and/or Services are
requested for completion of the Project.

1.5    The Implementation Schedule shall be defined via the format specified in
the Project Agreement, Appendix I, Section III, and may be modified, as
required, via mutual agreement. See Section 4.3 below for additional
Implementation Schedule requirements.

1.6    The completed Project Agreement will be forwarded to Customer for
countersigning within sixty (60) days of the last Purchase Order received that
contains items for the System or System Expansion Project. Execution by Customer
and Motorola of the Project Agreement shall be in accordance with the signatory
requirements of the Supply Agreement.

2.0    PROJECT AGREEMENT AMENDMENTS

Amendments to existing Project Agreements shall be subject to mutual agreement.
Amendments may result in price and schedule changes that shall be addressed by
execution of a revised Implementation Schedule and/or Purchase Order.

3.0    PROJECT AGREEMENT TERMS AND CONDITIONS

3.1    Order of Precedence

This Exhibit "A" is subject to the terms and conditions in the Supply Agreement.
Each Project Agreement will be subject to the Supply Agreement, specifically
including Exhibit "A". In the event of a conflict, the order of precedence shall
be as follows: (1) the Supply Agreement, (2) Exhibit "A", and (3) the Project
Agreement.

3.2    Motorola Generic Statements of Work

The System or System Expansion Project described in each Project Agreement shall
be installed in accordance with the applicable Generic Statement of Work set
forth in the Price Book or as developed by mutual agreement between the parties.

3.3    Implementation Schedule

The System or System Expansion Project defined in a Project Agreement is subject
to the Implementation Schedule contained in Section III of the Project
Agreement. Said schedule shall be mutually agreed to no later than 60 days after
the final Purchase Order is issued and accepted. In the event the Project
includes an MSC expansion, said Implementation Schedule shall include milestones
for completion of the MSC Pre-migration Checklist and the cutover, which are
activities primarily controlled by Customer. Customer understands and agrees
that any Customer

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   49

<TABLE>
<S>                                  <C>                    <C>
Motorola/Nextel International          Exhibit "A"                                       "A"-3
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

caused delay in completion of the MSC Pre-migration Checklist or the cutover
shall not defer any Customer obligations to meet any subsequent milestones
listed in the applicable Implementation Schedule.

The Implementation Schedule may be mutually revised from time to time, as
required. The revised Implementation Schedule shall be dated and shall
incorporate all agreed to changes or modifications, including project additions,
deletions, extensions, and compressions since the previously agreed to
Implementation Schedule. In the event the parties fail to agree on the terms of
the requested changes or modifications then the terms and scope of the existing
Implementation Schedule in force at the time of the request shall govern.

3.4    Acceptance Test Plan (ATP)

The applicable test sections from the GATP that are required for Conditional
Acceptance of a System or System Expansion will be defined in Section IV of the
Project Agreement. The four (4) GATP sections associated with Conditional
Acceptance are listed below; one or more of these sections may apply to a
specific Project:

       -   Customer Unique Information Testing

       -   Site Operational Readiness

       -   Interconnect Voice Circuit Testing

       -   Administrative Function Test

Refer to Exhibit "C" for a brief discussion of each of these sections. Such
ATP-Conditional Acceptance testing shall apply to all Equipment and Software
supplied pursuant to the Project Agreement.

3.5    Use of Subcontractors

Motorola may either subcontract or use Motorola resources for the Project's
labor effort. Motorola's pricing assumes the use of [*] in accordance with
Motorola's standard pricing practices. Said re-pricing shall be agreed to prior
to work commencing. Upon Customer's acceptance of the re-pricing, Customer shall
issue a Purchase Order, or amend the applicable Purchase Order accordingly.

4.0    APPENDICES

The following appendices to Exhibit "A" are attached and incorporated by
reference into the Supply Agreement:

       Appendix Number       Appendix Name
       ---------------       -------------

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   50

<TABLE>
<S>                                  <C>                    <C>
Motorola/Nextel International          Exhibit "A"                                       "A"-4
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

             I               Project Agreement Format
            II               Project Agreement Example

---------------------------
(R)Reg. U.S. Pat. & Tm. Off.

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   51

<TABLE>
<S>                                  <C>                    <C>
Motorola/Nextel International          Exhibit "A"                                       "A"-5
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

                                   APPENDIX I

                             PROJECT AGREEMENT FORM

I.  PROJECT DESCRIPTION - XXXXXX

Project Title (see Motorola Generic SOWs)   Project Location
-----------------------------------------   ----------------
[*                                          ]

II. The following Purchase Orders pertain to this Project:

<TABLE>
<CAPTION>
Purchase Order # Issue Date    Rev. #    Revision Date        Value    Notes/Line Items
---------------------------    ------    -------------       -------   ----------------
<S>                                        <C>             <C>       <C>
                                                            $   [*    ]
                                                                [*    ]
                                                            ------
                                             TOTAL:         $   [*]
</TABLE>

III.    THE IMPLEMENTATION SCHEDULE FOR THIS PROJECT IS AS FOLLOWS:

<TABLE>
<CAPTION>
ID  Task Name                                                 Start  Finish          Task Owner
--  ---------                                                 -----  ------          ----------
<S> <C>                                                                               <C>
1   [*                                                                                 ]
2   [*                                                                                 ]
3   [*                                                                                 ]
4   [*                                                                                 ]
5   [*                                                                                 ]
6   [*                                                                                 ]
7   [*                                                                                 ]
8   [*                                                                                 ]
9   [*                                                                                 ]
10  [*                                                                                 ]
11  [*                                                                                 ]
12  [*                                                                                 ]
13  [*                                                                                 ]
14  [*                                                                                 ]
</TABLE>

IV. THE ACCEPTANCE TEST PLAN FOR THIS PROJECT WILL BE DEVELOPED FROM THE
FOLLOWING GATP TEST SECTIONS:

-   (Enter test sections)
-
-

V.  PREVIOUSLY SUPPLIED EQUIPMENT

Listed below is Customer supplied equipment previously purchased and now
provided in support of this Project. The warranty of this equipment will not
change as a result of its incorporation into this Project. Customer is
responsible for shipment of the equipment to the Project location and to insure
that the equipment is functionally acceptable as a component of this Project.

                                   Page 1 of 2

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   52

<TABLE>
<S>                                  <C>                    <C>
Motorola/Nextel International          Exhibit "A"                                       "A"-6
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

(List equipment descriptions and serial numbers, or state "Not applicable")

1.
2.
 .
 .

Motorola and Customer hereby agree that the Equipment, Software, and Services
ordered via the Purchase Orders listed in this Project Agreement constitute a
specific System or System Expansion "Project". This Project shall be delivered,
installed, and acceptance tested in accordance with the Implementation Schedule
in Section III. Acceptance testing shall be in accordance with the Motorola
Generic Acceptance Test Plan sections listed in Section IV. Installation shall
also be done in accordance with the Motorola Generic Statement(s) of Work listed
in Section I and defined in the Price Book. This Project Agreement is subject to
the terms and conditions of the Customer/ Motorola iDEN Infrastructure 3 Year
Supply Agreement, effective as of June 1, 2000.

[Customer].                                 MOTOROLA INC.
(AUTHORIZED SIGNATURE)

By:                                         By:
       -----------------------------               -----------------------------

Name:                                       Name:
       -----------------------------               -----------------------------

Title:                                      Title:
       -----------------------------               -----------------------------

Date:                                       Date:
       -----------------------------               -----------------------------

                                   Page 2 of 2

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   53

<TABLE>
<S>                                  <C>                    <C>
Motorola/Nextel International          Exhibit "A"                                       "A"-7
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

                                   APPENDIX II

                            PROJECT AGREEMENT EXAMPLE

I.  PROJECT DESCRIPTION - TOR001

<TABLE>
<CAPTION>
Project Title (see Motorola Generic TDAP SOW)    Project Location
---------------------------------------------    ----------------
<S>                                              <C>
[*                                                 ]
</TABLE>

II. THE FOLLOWING PURCHASE ORDERS PERTAIN TO THIS PROJECT:

<TABLE>
<CAPTION>
Purchase Order # Issue Date   Rev. #     Rev. Date          Value    Notes/Line Items
---------------- ----------   ------     ---------         --------  ----------------
<S>              <C>          <C>        <C>               <C>       <C>
[*                                                        $           ]
                                             Total         $    [*]
</TABLE>

III.    THE IMPLEMENTATION SCHEDULE FOR THIS PROJECT IS AS FOLLOWS:

<TABLE>
<CAPTION>
ID  Task Name                                               Start  Finish       Task Owner
--  ---------                                               -----  ------       ----------
<S> <C>                                                     <C>    <C>          <C>
1   [*                                                                            ]
2   [*                                                                            ]
3   [*                                                                            ]
4   [*                                                                            ]
5   [*                                                                            ]
6   [*                                                                            ]
7   [*                                                                            ]
8   [*                                                                            ]
9   [*                                                                            ]
10  [*                                                                            ]
11  [*                                                                            ]
12  [*                                                                            ]
13  [*                                                                            ]
14  [*                                                                            ]
</TABLE>

IV. THE ACCEPTANCE TEST PLAN FOR THIS PROJECT WILL BE DEVELOPED FROM THE
FOLLOWING GATP TEST SECTIONS:

-   Customer Unique Information Test
-   Administrative Function Test
-   Interconnect Voice Circuit Test

V.  PREVIOUSLY SUPPLIED EQUIPMENT

Listed below is Customer supplied equipment previously purchased and now
provided in support of this Project. The warranty of this equipment will not
change as a result of its incorporation into this Project. Customer is
responsible for shipment of the equipment to the Project location and to insure
that the equipment is functionally acceptable as a component of this Project.

                                   Page 1 of 2

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   54

<TABLE>
<S>                                  <C>                    <C>
Motorola/Nextel International          Exhibit "A"                                       "A"-8
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

(List equipment descriptions and serial numbers, or state "Not applicable")

1.
2.

Motorola and Customer hereby agree that the Equipment, Software, and Services
ordered via the Purchase Orders listed in this Project Agreement constitute a
specific System or System Expansion "Project". This Project shall be delivered,
installed, and acceptance tested in accordance with the Implementation Schedule
in Section III. Acceptance testing shall be in accordance with the Motorola
Generic Acceptance Test Plan Sections listed in Section IV. Installation shall
also be done in accordance with the Motorola Generic Statement(s) of Work listed
in Section I and defined in the Price Book. This Project Agreement is subject to
the terms and conditions of the Customer/ Motorola iDEN Infrastructure 3 Year
Supply Agreement, effective as of June 1, 2000.

[Customer].                                 MOTOROLA INC.
(AUTHORIZED SIGNATURE)

By:                                         By:
       -----------------------------               -----------------------------

Name:                                       Name:
       -----------------------------               -----------------------------

Title:                                      Title:
       -----------------------------               -----------------------------

Date:                                       Date:
       -----------------------------               -----------------------------

                                   Page 2 of 2

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   55

<TABLE>
<S>                                      <C>                  <C>
Motorola/Nextel International             Price Book                                     "B"-1
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

                                   EXHIBIT "B"
            TO iDEN(R) INFRASTRUCTURE EQUIPMENT PURCHASE AGREEMENT

                  TECHNICAL OVERVIEW: NOTES ON THE IDEN SYSTEM

                  68P81095E55-D, VERSION D, DATED MAY 11, 1999

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality Provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission consisting of 122 consecutive pages pursuant to an
application for confidential treatment pursuant to Rule 24b-2 under the
Securities Act of 1934, as amended.

<PAGE>   56

                                   EXHIBIT "C"
            TO iDEN(R) INFRASTRUCTURE EQUIPMENT PURCHASE AGREEMENT

                              ACCEPTANCE TEST PLAN

For purposes of uniformity and brevity, references to Agreement or to an Exhibit
shall refer to , the above - referenced Agreement to which this document is
Exhibit "C" and to the other Exhibits to that Agreement. All definitions set
forth in the Agreement shall apply hereto, unless otherwise specified herein.

1.0    PURPOSE

The purpose of this Exhibit "C" Acceptance Test Plan is to demonstrate to
Customer that Motorola has delivered the Hardware, Software, and features as
described in and pursuant to the Agreement and its Exhibits.

2.0    SYSTEM AND SYSTEM EXPANSION ACCEPTANCE

Acceptance of all Systems and System Expansions shall be governed by the
requirements set forth below:

2.1    Motorola shall conduct acceptance test procedures in accordance with
Section 4.0, ATP -- Conditional Acceptance, and Section 5.0, ATP -- Final
Acceptance, below. The test procedures shall be contained in the Acceptance Test
Plan (ATP) for each System or System Expansion.

2.2    The ATP shall be based on the Generic Acceptance Test Plan (GATP)
maintained by Motorola and may also include other additional tests mutually
agreed to. The GATP shall be modified as needed to incorporate acceptance test
procedures for newly developed Equipment and Software as part of the Software
general release process and shall reflect the then current acceptance test
procedures available. Any modifications to the GATP shall be made by Motorola to
reflect Equipment or Software or to correct errors or omissions in the GATP. A
copy of the current GATP is attached for reference.

2.3    The scope of the ATP required to achieve ATP -- Conditional Acceptance
and ATP -- Final Acceptance for each specific System or System Expansion shall
be identified and mutually agreed to. The specific System or System Expansion
ATP shall contain only those GATP test procedures required to test the
Equipment, Software, and the associated features ordered and shall be developed
by Motorola based upon portions of the GATP applicable to the mutually agreed
upon scope for ATP -- Conditional Acceptance and ATP -- Final Acceptance. The

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   57

<TABLE>
<S>                                  <C>                      <C>
Motorola/Nextel International          EXHIBIT "C"                                       "C"-2
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

schedule for performance of such specific ATP shall be included in the
Implementation Schedule for the specific System or System Expansion.

2.4    Motorola shall supply to Customer, no later than sixty (60) days prior to
the scheduled commencement of ATP -- Conditional Acceptance or ATP -- Final
Acceptance, as applicable, the particular required test procedures to achieve
the specific System or System Expansion ATP -- Conditional Acceptance and ATP --
Final Acceptance. Customer shall have thirty (30) days following receipt of said
test procedures to review and comment on the content of the test procedures.

2.5    Only those features and items of Equipment and Software supplied by
Motorola in accordance with the definitions of System and System Expansion
contained herein, and installed by Motorola, or installed by Customer in
accordance with Motorola-authored or Motorola-approved published installation
and engineering standards, shall be included in and tested under the ATP for a
System or System Expansion.

2.6    Individual Site tests and the switch test shall be performed in
accordance with the ATP as soon as the individual Sites and switch are
completed. The System test in accordance with the ATP shall be performed as soon
as the switch and Site tests are completed. These tests shall take place even
when all the Sites are not operational if all such unavailable Sites are due to
Customer failure to perform its applicable obligations in accordance with the
Implementation Schedule ("Customer Unavailable Sites"). If there remain
unavailable Sites due to Motorola's failure to perform its applicable
obligations in accordance with the Implementation Schedule, such tests shall be
delayed until the affected Sites become operational.

2.7    The areas served by Customer Unavailable Sites shall not be included in
the System Test. When the Customer Unavailable Sites are completed, the Site
Test shall be completed for any Customer Unavailable Sites. The existence of
Customer Unavailable Sites shall not delay ATP -- Conditional or ATP -- Final
Acceptance as long as the other items necessary for ATP -- Conditional or ATP --
Final Acceptance are complete.

2.8    Customer may order additional testing above and beyond the specific
acceptance test procedures defined in Sections 4.0 and 5.0, below, for a System
or System Expansion. In accordance with Section 7.0 of the Agreement, the
additional test procedures to be performed and the price thereof shall be
identified and mutually agreed to prior to acceptance of an order. The
completion of these additional test procedures shall be outside the scope of the
System or System Expansion ATP and shall not be apart of, nor a precedent to,
ATP -- Conditional Acceptance or ATP -- Final Acceptance of a System or System
Expansion.

2.9    The acceptance test procedures as defined in Sections 4.0 and 5.0 shall
not include, and shall be separate and distinct from, any Software testing
developed and executed in conjunction with, and required to achieve, general
release of Software under the Software Maintenance Program (SMP) of the
Agreement.

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   58

<TABLE>
<S>                                  <C>                      <C>
Motorola/Nextel International          EXHIBIT "C"                                       "C"-3
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

2.10   The conduct of Conditional Acceptance testing procedures shall preclude
Customer from initiating an expansion to a System or System Expansion prior to
the relevant Scheduled Completion Date, unless the parties agree in writing that
such expansion does not result in material delay and/or expense to Motorola in
conducting and/or completing Conditional Acceptance testing procedures in
accordance with the relevant Scheduled Completion Date.

3.0    RESPONSIBILITIES

3.1    Initial System acceptance testing involves both the testing of the FNE
itself and the exercising of interfaces to Systems external to the FNE. For this
reason, testing of all external equipment must be completed prior to
recommencement of FNE acceptance testing to assure its proper functioning. The
Customer is responsible to ensure the proper functioning of equipment not
supplied by Motorola. Initial System acceptance testing shall be a joint
responsibility between Motorola and Customer.

3.2    During Motorola performance of the ATP, Customer shall: (i) place the
System or subsystem in the appropriate condition (i.e. System lockdown)
necessary to permit such testing to be conducted at all reasonable times in
accordance with a schedule to be mutually agreed to by the parties; (ii) make
the Equipment, data, and facilities required for completion of Conditional
Acceptance testing available to Motorola in accordance with such approved
schedule; and (iii) provide free access, ingress and egress to Customer
facilities as reasonably required to perform Conditional Acceptance in
accordance with such approved schedule.

3.3    A qualified member of the Motorola staff, as designated by Motorola, will
serve as acceptance test coordinator. The test coordinator will be responsible
for observing and documenting test results. Customer will provide an acceptance
test monitor who will assist in conducting the test procedure and observe and
verify the tests.

3.4    Motorola shall provide Customer a schedule of the ATP procedures and
notify Customer of the time and place at which such tests are to be conducted.
Customer shall have the right to observe the conduct of the tests and the
results thereof. Customer shall use reasonable efforts to accommodate Motorola's
ATP schedule.

3.5    Customer is responsible for coordinating, with Motorola's assistance, the
activities of any common carrier or other public or private agency, firm, etc.,
whose participation may be required in successfully executing the test plan.

4.0    TEST PROCEDURES FOR ATP -- CONDITIONAL ACCEPTANCE

4.1    The ATP Conditional Acceptance is comprised of four (4) test sections, as
appropriate, to verify performance and functionality of a System or subsystem.
The defined test

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   59

<TABLE>
<S>                                  <C>                      <C>
Motorola/Nextel International          EXHIBIT "C"                                       "C"-4
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

methodologies, target performance goals, timing, reference documents and
applicability to a new System or System Expansion are described below. The test
sections include:

       -   Customer Unique Information Testing
       -   Site Operational Readiness
       -   Interconnect Voice Circuit Testing
       -   Administrative Function Test

4.2    Customer Unique Information Testing

The Customer Unique Information Testing shall evaluate the implementation of
System unique database elements developed by Motorola utilizing specific
information provided by Customer. The test shall ensure that new System elements
are properly provisioned prior to loading of end users on a new network. The
System unique database may consist of the following database elements, but
Motorola shall specify the database requirements based upon the final System
configuration.

       a)  MSC Dialplan. Verify the MSC translations by generating incoming and
           outgoing calls on each NPA-NXX for each call type to include
           supplementary services.

       b)  Dispatch and Interconnect Voice Server Testing. The voice server
           tests shall include the confirmation of functional call processing
           on all Site time slots provisioned for I6 dispatch and of functional
           call processing on all Site time slots provisioned for I6 and I3
           interconnect call applications.

4.3    Site Operational Readiness

Site Operational Readiness will consist of the evaluation of Site Hardware
installations against established Motorola standards. It will follow
installation of each Site when power is available to each Site and all radio
equipment is installed and hooked up. It will ensure that all Motorola-supplied
Equipment is present, properly installed, and connected with other Site
equipment.

4.4    Interconnect Voice Circuit Testing

Interconnect Voice Circuit Testing shall confirm the connectivity and operations
of all voice circuits between the MSC and the BSC Equipment.

4.5     Administrative Function test

Administrative Function Tests will confirm the operation of primary and common
administrative functions available on the Operations Maintenance Center (OMC).
These functions include, but are not limited to, Site build and load, parameter
changes, System statistics gathering, alarm functionality, and making back-ups
on the System.

4.6    Pass/Fail Criteria

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   60

<TABLE>
<S>                                  <C>                      <C>
Motorola/Nextel International          EXHIBIT "C"                                       "C"-5
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

Pass/Fail criteria of individual ATP-Conditional Acceptance tests will be
included within the detailed test procedures delivered by Motorola to Customer
as defined in Section 7.0 below. Pass/fail criteria identified in the ATP --
Conditional Acceptance test procedures will be based on the applicable component
specifications.

4.7    Special Consideration for System Expansions

The ATP for a System Expansion may contain a subset of the acceptance tests for
a System and will be dependent upon the Equipment and Software purchased in the
System Expansion.

4.8    Conditional Acceptance

In the event that commercial service has not yet commenced, ATP -- Conditional
Acceptance for a System or System Expansion shall occur when Motorola has
completed and passed, to mutual agreement, the applicable ATP tests. ATP --
Conditional Acceptance shall not be delayed because of minor (level 4 or below)
test failures. Such defects may be placed on the punchlist for later resolution.
In the event of major test failures caused by level 6 or above defects,
completion of the ATP will be delayed until each such defect is corrected and
the item retested. Defects caused by systemic Software issues that are not
service affecting are covered under the Software Maintenance Program (SMP).

4.9    Customer Performance Test Period

       a) Upon completion of the ATP, a Punchlist shall be mutually developed
          within [*]. In addition, a [*] Performance Test Period shall commence
          immediately following successful completion of the ATP -- Conditional
          Acceptance test procedures, to allow Customer to operate the System
          to determine if additional failures are found as a result of Motorola
          products failure to operate as specified.

       b) Prior to completion of the [*] test, Customer may load the System or
          System Expansion for a period not to exceed [*] (unless otherwise
          mutually agreed to) with [*], or as otherwise mutually agreed to, in
          accordance with the terms of the Commercial Service definition in
          Section 1.0 of the Agreement, provided this activity does not
          interfere with commissioning or System testing. Such loading for
          Customer testing purposes shall not trigger Commercial Service.

       c) Testing conducted during the [*] Performance Test Period shall be
          witnessed by Motorola, and the results, including failures, must be
          reproducible and documented by Customer to be included in the
          Punchlist. This testing shall be limited to testing of the System
          infrastructure functionality tested in the ATP. The testing shall
          specifically exclude testing of System RF coverage and voice quality.

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   61

<TABLE>
<S>                                  <C>                      <C>
Motorola/Nextel International          EXHIBIT "C"                                       "C"-6
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

       d) To be included in the ATP Punchlist, test failures found during the
          Performance Test Period must be Level 6 or above and, upon mutual
          agreement, placed on the Punchlist within the [*] Performance Test
          Period. Any defects found after the Punchlist is finalized shall be
          resolved in accordance with the warranties provided under the
          Agreement.

4.10   Customer Certification of Conditional Acceptance

Upon agreement on the contents of the Punchlist, Customer shall endorse the
Motorola provided letter of acceptance signifying occurrence of ATP --
Conditional Acceptance.

5.0    ATP -- FINAL ACCEPTANCE AND CUSTOMER CERTIFICATION

When substantially all Punchlist Items (including all Level 6 and above defects)
are resolved , ATP -- Final Acceptance shall be granted. Such approval shall not
be unreasonably withheld. ATP -- Final Acceptance shall be evidenced by a letter
of acceptance provided by Motorola and signed by Customer.

6.0    ACCEPTANCE GUIDELINES

6.1 In the event that, due to a problem outside Motorola's control, a particular
test or group of tests cannot be completed within the time scheduled, one of
these procedures will be implemented:

       a)  The affected test or portion of a test may be interrupted and
           rescheduled for completion or retesting at some future time.

       b)  The affected test or portion of a test may be continued to
           completion and the Acceptance Test schedule amended as required to
           accommodate the remaining tests and the exceptions that failed the
           original testing.

       c)  If the problem results from Customer action or inaction or due to
           non-performance of a Customer responsibility, the affected test will
           be rescheduled and any additional costs will be borne by Customer.

Motorola will confer with Customer and decide, on a case by case basis, which of
these procedures is appropriate and notify Customer.

6.2    In the event of Customer-caused delays in the implementation of a System
or System Expansion, ATP -- Conditional Acceptance shall be deemed granted 60
days after the ATP -- Conditional Acceptance date set forth in the Project
Implementation Schedule and all payments associated with ATP -- Conditional
Acceptance shall be due and payable as of this date. ATP --

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   62

<TABLE>
<S>                                  <C>                      <C>
Motorola/Nextel International          EXHIBIT "C"                                       "C"-7
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

Final Acceptance for such System or System Expansion shall be deemed granted 90
days after the ATP -- Conditional Acceptance date set forth in the Project
Implementation Schedule and all payments associated with ATP -- Final Acceptance
shall be due and payable as of this date.

7.0    REPORTING RESULTS AND RETESTING

7.1    Test Sequencing

At the completion of each test, a pass/fail determination will be made based on
the performance of FNE Equipment supplied by Motorola and subject to Acceptance
Testing under the Agreement. In the event of test failure, other tests not
effected by the failed test will not be delayed and can continue while remedies
are prepared for the failed test. Failed test procedures will be scheduled for
retesting as appropriate

7.2    Regression Testing

After a test failure has been remedied it will be scheduled for retest. Previous
tests that have passed and that logically could be affected by the remedy for
the failed test will be repeated. Previously passed tests that are logically
unaffected by the remedy for the failed test do not require retesting. Motorola
will determine whether a test is or is not logically affected by any remedy.

7.3    Test Failure Severity Levels

The following table defines the Test Severity Levels to be used in recording
Test Results:

<TABLE>
<CAPTION>
                                               TABLE 1
---------- -------------------------------------------------------------------------------------
  LEVEL    DESCRIPTION
---------- -------------------------------------------------------------------------------------
<S>       <C>
   10      Service Affecting.  Call processing or traffic handling are severely affected in
           some manner by the failure.
---------- -------------------------------------------------------------------------------------
    6      Performance Affecting.  Some adverse impact on System performance affecting the
           quality of service on call processing or traffic handling.
---------- -------------------------------------------------------------------------------------
    4      Minor Problem.  The failure does not impact call processing, traffic handling, or
           System performance, but pass/fail criteria of the test procedure have not been
           satisfied.
---------- -------------------------------------------------------------------------------------
    3      Documentation.  Proper System operation has been observed, but System documentation
           referenced in the test procedure is ambiguous, misleading, or incorrect.
---------- -------------------------------------------------------------------------------------
    1      Procedural.  Proper System operation has been observed, but the test procedure is
           ambiguous, misleading, or incorrect.
---------- -------------------------------------------------------------------------------------
    0      External.  Test failure was caused by equipment not supplied by Motorola or
           Equipment supplied by Motorola but not subject to Acceptance Testing under the
           current Agreement or R/F interference generated by sources outside the System not
           under control of Motorola.
---------- -------------------------------------------------------------------------------------
</TABLE>

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   63

<TABLE>
<S>                                  <C>                      <C>
Motorola/Nextel International          EXHIBIT "C"                                       "C"-8
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>
<TABLE>
<S>       <C>
---------- -------------------------------------------------------------------------------------
           Change Request.  Customer has requested a change to test procedures or System
    0      characteristics which is beyond the scope of the current Agreement.
---------- -------------------------------------------------------------------------------------
</TABLE>
7.4    Record of Test Results

During the entire Acceptance Test period, the Motorola Coordinator will maintain
a record of test results on the standard data sheets, which will be made
available for review by Customer's Acceptance Test Monitor. In the event of test
failure, the severity of the failure will be determined and recorded. A
description of the extent of the failure will also be recorded, along with
requirements for retesting to demonstrate that the failure has been cleared.

7.5    Acceptance Report

7.5.1  Upon completion of each ATP test, Motorola shall submit to Customer for
approval all test reports setting forth full and accurate test results obtained.
Customer's approval of such test reports shall not be unreasonably withheld or
delayed. The test reports shall also summarize the results of testing conducted.
Each test report shall contain the necessary analysis and collected data to
support conclusions, and copies of the original test data sheets shall be
provided to the Customer.

7.5.2  The completed data sheet will contain all of the test results. Therefore,
it will form the basis for Acceptance of the System. Information on any
Acceptance Test procedures still pending will be included.

7.6    Acceptance

Neither endorsement of the Acceptance Test results nor the issuance of a Letter
of Acceptance will be delayed because of minor (level 4 or below) defects of
Equipment or Software. Motorola will use commercially reasonable efforts to
expeditiously correct such reproducible defects, if any, within 90 days after
ATP -- Conditional Acceptance.

---------------------------
(R)Reg. U.S. Pat. & Tm. Off.

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   64

<TABLE>
<S>                                  <C>                      <C>
Motorola/Nextel International          EXHIBIT "C"                                       "C"-9
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   65

<TABLE>
<S>                                      <C>                    <C>
Motorola/Nextel International             Exhibit "E"                                    "E"-1
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

                                   EXHIBIT "E"
             TO iDEN(R) INFRASTRUCTURE EQUIPMENT PURCHASE AGREEMENT

                               SYSTEM MAINTENANCE

For purposes of uniformity and brevity, references to Agreement or to an Exhibit
shall refer to the above-referenced Agreement to which this document is Exhibit
"E" and to the other Exhibits to that Agreement. All definitions set forth in
the Agreement shall apply hereto.

This Exhibit sets forth Motorola's technical maintenance obligations
(collectively, the "System Maintenance") with respect to FNE Equipment or
Software during the warranty periods stated in Section 8 of the Agreement and
any maintenance options purchased by Customer.

Motorola shall provide its "Standard Maintenance Services Plan," as set forth in
Schedules A through C below, during the initial warranty period for each item of
FNE Equipment purchased under the Agreement. The maintenance services in
Schedule B are included in the FNE item's warranty purchase price and shall be
provided for a period of 16 months after the date of Equipment shipment; the
services in Schedules A and C are provided under the terms of the annual
Software Maintenance Program (SMP). An optional maintenance service, referred to
as "Optional Local Engineering Support Services," is also offered by Motorola as
set forth in Schedule D, below. The maintenance option, when selected by
Customer, must be procured in accordance with pricing in the iDEN Infrastructure
Price Book.

MAINTENANCE SERVICE PLANS

The following is a description of the scope of work to be provided by Motorola
under Motorola's Standard Maintenance Services Plan (see Schedules A-C in
Sections 3-5) and Optional Local Engineering Support Services (see Schedule D in
Section 6).

1.      SCOPE

        1.1    Motorola shall maintain each FNE element covered by a maintenance
               plan according to the terms and conditions set forth herein and
               for the prices referenced above and in Section 8 of the
               Agreement.

        1.2    The Standard Maintenance Services Plan shall be provided during
               the FNE Equipment warranty period as defined in Section 8 of the
               Agreement. The individual segments of the plan may be extended
               thereafter at Motorola's then current rates. The plan shall
               consist of the following:

               1.2.1    Schedule A:  Telephone Technical Support

               1.2.2    Schedule B:  Depot Repair Maintenance.

               1.2.3    Schedule C:  Software Maintenance.

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   66

<TABLE>
<S>                                      <C>                    <C>
Motorola/Nextel International             Exhibit "E"                                    "E"-2
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

        1.3    The optional maintenance services listed below will be provided
               when separately purchased in accordance with the iDEN
               Infrastructure Price Book:

               1.3.1   Schedule D:  Optional Local Engineering Support Services.

2.      CUSTOMER RESPONSIBILITIES

        Customer shall:

        2.1    Appoint a System Manager for each System and supply Motorola with
               the name, address and telephone number of the System Manager who
               shall be responsible for coordination with Motorola personnel and
               who shall, at the option of the Customer System Manager, make
               available a Customer representative during Motorola performance
               of Services.

        2.2    Control Site environmental conditions including but not limited
               to temperature, humidity, voltage, VSWR, etc. according to FNE
               specifications.

        2.3    Provide reasonable facilities including, but not limited to,
               secure storage space, a designated work space with adequate
               temperature control and light, and use of all FNE and
               communications facilities, including access to a telephone line.

        2.4    Supervise and perform all normal day-to-day System operational
               activities.

        2.5    Perform System restarts or other maintenance activity as directed
               by Motorola service manuals prior to initiating a service call
               for any System problem unless previously instructed otherwise by
               a Motorola representative.

        2.6    Assist Motorola in Motorola's diagnosis of reproducible Software
               malfunctions and cooperate with Motorola remote and local
               personnel as they provide technical supervision and support to
               Customer's maintenance technicians.

        2.7    Furnish, maintain and repair equipment, products, and services
               supplied by:

               2.7.1    The local telephone company (which include but are not
                        limited to local exchange interface),

               2.7.2    Vendors other than Motorola, and

               2.7.3    Vendors of mobile and/or other portable subscriber
                        units.

        2.8    Supervise, manage and control its use of the licensed Software
               including but not limited to:

               2.8.1    Assuring proper machine configuration, program
                        installation, audit controls and operating methods;

               2.8.2    Implementing adequate backup plans, based on alternate
                        procedures to diagnose, patch and repair Software
                        defects in the event of a Software malfunction; and

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   67

<TABLE>
<S>                                      <C>                    <C>
Motorola/Nextel International             Exhibit "E"                                    "E"-3
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

               2.8.3    Implementing sufficient procedures and checkpoints to
                        satisfy Customer's requirements for security and
                        accuracy of input and output as well as restart and
                        recovery in the event of malfunction. Such procedures
                        and checkpoints will be provided to and followed by
                        Motorola.

        2.9    Procure its desired test equipment for its own use.

        2.10   Procure and stock Field Replaceable Units ("FRUs").

3.      SCHEDULE A:  TELEPHONE TECHNICAL SUPPORT

        Motorola shall provide Customer a telephone number for access to
        unlimited twenty-four (24) hour seven (7) days a week telephone
        technical support from a Motorola supplied central support function in
        Schaumburg, Illinois, as set forth in the SMP Proposal set forth in
        Exhibit "O" of the Agreement.

4.      SCHEDULE B:  DEPOT REPAIR SERVICE

        Motorola shall provide depot repair of Field Replaceable Units (FRUs) at
        a Motorola repair facility or a repair facility authorized by Motorola
        in accordance with Section 8.1 of the Agreement and the terms set forth
        below:

        4.1    Customer shall determine and identify all FRUs indicated to be
               defective and ship, prepaid by Customer, said defective equipment
               to the designated Motorola repair facility.

        4.2    Motorola will repair and test all defective FRUs and will return
               said FRUs to Customer at a location designated by Customer within
               a reasonable time after receipt at the Motorola authorized repair
               location. Motorola shall pay for shipping to Customer's location.

5.      SCHEDULE C:  SOFTWARE MAINTENANCE PROGRAM ("SMP")

        Pursuant to Section 8.4 of the Agreement, (i) Exhibit "K" sets forth the
        pricing for SMP, (ii) the subsections below set forth SMP general terms,
        (iii) the proposal set forth in Exhibit "O" further defines the SMP
        services and pricing for 2000, and (iv) Motorola periodically shall make
        proposals governing SMP services and pricing for the remaining portions
        of the term of the Agreement. The license for Software provided during
        the SMP shall be provided in accordance with Exhibit "F" to the
        Agreement.

        5.1    Definitions

               CERTIFICATION - The approval by Motorola that Customer's current
               Software is in acceptable condition for coverage under the
               Software Maintenance Program.

               FEATURE - A new Software functionality or substantial performance
               improvement that is made available to Customer for the then
               current Software release.

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   68

<TABLE>
<S>                                      <C>                    <C>
Motorola/Nextel International             Exhibit "E"                                    "E"-4
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

               FIRMWARE - Software in object code form that is implanted in
               hardware such as, by example and not limitation: ROM (Read Only
               Memory); PROM (Programmable Read Only Memory); or EPROM (Erasable
               Programmable Read Only Memory).

               MAJOR RELEASE - The issue of Software and any superseding issue
               thereof which adds to, improves, or enhances existing Software
               Features and capabilities involving more extensive changes to the
               underlying source code or the user interface than is the case in
               a Point Release. A Major Release may also correct defects in
               earlier releases.

               NEW FEATURE RELEASE - A Major Release which contains one or more
               new Features.

               POINT RELEASE - A superseding issue of the Software which adds
               to, improves, or enhances existing Features and capabilities of
               the Major Release of Software with which it is associated. A
               Point Release may also correct defects in earlier releases.

               REHOSTING - The integration of SP Software into Customer's
               current release of Software.

               SOFTWARE PATCH - Software that corrects or removes a reproducible
               anomaly or "bug" in an existing Major Release.

               SOFTWARE UPDATES - Those Software "fixes" and "patches" issued by
               Motorola which correct a reproducible service-affecting defect in
               a Major Release of the Software, whether or not such defect
               applies to Software furnished to Customer under this Agreement.
               Software Updates do not include Point Releases or Major Releases,
               and do not represent an upgrade to or enhancement of existing
               Software performance levels.

               SPECIAL PRODUCT SOFTWARE (SP) - Features developed for Customer
               which contain Customer unique features and/or functionality.

        5.2    All Major Releases and Software Updates (not Optional Features)
               made available by Motorola to any other iDEN customer shall be
               made available to Customer free of charge (except for SMP
               charges).

        5.3    Optional Features and SP Software may be included in SMP at
               additional cost which shall be added to the base SMP rate and
               included as part of the annual audit set forth in Section 5.14.

        5.4    Travel and associated expenses for on-site visits by Motorola
               personnel are not covered by this SMP unless, in Motorola's
               judgment, such travel is required to perform the warranty work or
               is provided for under the "iDEN System Software Loading Support
               Services"section of the SMP Proposal set forth in Exhibit "O".

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   69

<TABLE>
<S>                                      <C>                    <C>
Motorola/Nextel International             Exhibit "E"                                    "E"-5
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

        5.5    Customer may purchase Motorola FNE additions required to
               accommodate new features and/or functionality at an additional
               charge to Customer as set forth in the iDEN Infrastructure Price
               Book. Motorola shall notify Customer of any additional hardware
               requirements as soon as they are aware that such additional
               hardware is necessary. Motorola failure to notify Customer of
               material changes in hardware, when known prior to Customer order
               of such features or functions, will result in cancellation of the
               original order and allowance for the Customer to reconsider its
               wish to proceed.

        5.6    After completion of an SMP coverage period, if Customer declines
               to purchase and extend the SMP for a future term or if Customer
               terminates a subsequent SMP and thereby allows SMP coverage to
               lapse for a System, Motorola must certify (as described in
               Section 5.7 herein) the System before Motorola will make the SMP
               available to Customer for such System for another term.

        5.7    Certification for SMP consists of the following: (1) Motorola
               will audit Customer's System at Customer's expense; (2) Motorola
               will identify the FNE and/or IPL that must be purchased by
               Customer, if any, in order to bring Customer's System to the
               current release level (this includes back payment of all lapsed
               SMP); (3) Customer must acquire such FNE and/or IPL; and (4) once
               Customer has purchased the necessary items, Motorola will certify
               Customer's System and make SMP available to Customer at the then
               current Motorola price.

        5.8    While Customer is enrolled in the SMP, Motorola shall provide all
               labor necessary to correct any service-affecting Software defects
               for the full warranty period and for any period the Software is
               covered by the SMP, without charge to Customer, and in accordance
               with the warranty provisions contained in Exhibit "F".

        5.9    During the period SMP is purchased by Customer, Motorola shall
               provide the services defined in Schedule A (Telephone Technical
               Support) under SMP.

        5.10   Customer shall be responsible for the first level of maintenance,
               including but not limited to diagnosis and isolation of
               reproducible Software malfunctions. In the event of any such
               Software malfunction, Customer shall notify Motorola immediately,
               followed by written confirmation of such notice. Motorola will
               acknowledge receipt of verified reproducible Software
               malfunctions and will promptly provide such service as is
               necessary to correct service-affecting defects in accordance with
               the published Motorola specifications. Customer shall be
               responsible for the installation of new Releases, Updates and
               associated Firmware.

        5.11   SMP applies only to the Software as supplied or modified by
               Motorola. Modifications, attempted modifications, or additions to
               the Software by Customer or by any party other than Motorola is a
               breach of the Software License contained in Exhibit "F" to the
               Purchase Agreement and will void all obligations of Motorola
               under the SMP.

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   70

<TABLE>
<S>                                      <C>                    <C>
Motorola/Nextel International             Exhibit "E"                                    "E"-6
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

        5.12   Motorola shall have no obligation to support any Software other
               than the current Release and the immediately preceding Major
               Release.

        5.13   The SMP supplied to Customer during the warranty period shall be
               automatically renewed on a yearly basis.

        5.14   Customer shall agree to yearly audits by Motorola of Systems
               configurations and capacities in order to calculate the new SMP
               price. The new SMP price for the following year shall be
               calculated at the end of each calendar year and shall be based on
               the Products in Commercial Service at that time. If Customers'
               initial SMP coverage expires prior to December 31, the renewal
               period shall expire on December 31, and Customer shall be charged
               for the pro rata amount of the SMP fee to cover the period from
               expiration to December 31 of that year. The next renewal period
               shall begin on January 1 of the next year.

5.15           The Software Maintenance Program (SMP) Proposal set forth in
               Exhibit "O" shall be subject to the terms and conditions of the
               Agreement into which this Exhibit "E" is incorporated. The
               following statement in the "Additional Terms and Conditions"
               subsection of Section 4 to Exhibit "O" is therefore superceded:

                   Except as modified herein, all terms and conditions of the
                   [See schedule Item 4] shall apply to any resultant Purchase
                   Order and shall supersede and replace any preprinted terms
                   and conditions contained on said Purchase Order.

6.      SCHEDULE D:  OPTIONAL LOCAL ENGINEERING SUPPORT SERVICES

        The following Service option is offered by Motorola to Customer
        concurrently with the maintenance service contained in Schedules A
        through C during the warranty period and may be extended on an annual
        basis.

        6.1    LOCAL ENGINEERING SUPPORT

               Motorola shall provide local engineering support to Customer in
               accordance with the selected MSO warranty in the iDEN
               Infrastructure Price Book for each new switch purchased. Said
               engineering support shall aid in troubleshooting switch issues,
               provide telephone support to troubleshoot issues for remote BSC
               and EBTS sites, and be available during Customer's normal working
               hours (the equivalent of 8:00 am to 5:00 pm), Monday through
               Friday.

7.      SERVICE LIMITATIONS AND EXCLUSIONS

        The following applies to any of the Maintenance Service Plans contained
        in this Exhibit.

        7.1    Service does not include installation for System hardware
               expansions requested by Customer.

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   71

<TABLE>
<S>                                      <C>                    <C>
Motorola/Nextel International             Exhibit "E"                                    "E"-7
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

        7.2    Service does not include: normal system operating
               responsibilities; the provision of operating supplies or
               replacement of consumable supplies; electrical work external to
               the Switch; or any other functions not required per this Exhibit
               "E".

        7.3    Service does not include maintenance or repair of towers,
               antennas, transmission lines, telephone lines, microwave
               equipment, building's HVAC, or back-up generators unless such
               products are provided by Motorola.

        7.4    Movement of equipment and reinstallation by anyone not authorized
               by Motorola may void any obligation or warranty by Motorola. Such
               authorization by Motorola will not be unreasonably withheld.

        7.5    Customer shall not modify, remove, or obliterate the bar code,
               serial number, or other identifying mark(s) on the products. Any
               Product so altered and in need of repair shall be repaired at the
               sole discretion of Motorola.

        7.6    Motorola shall have no obligation to repair or replace items when
               such repair or replacement is caused by the following:

               7.6.1    An event of Force Majeure. However, Motorola agrees,
                        upon Customer's request, to participate with Customer
                        and make an assessment with respect to any damage as a
                        result of such event and to provide a quotation with
                        respect to the repair and/or replacement of the items
                        damaged.

               7.6.2    Acts of vandalism.

               7.6.3    Attempts by other than personnel authorized by Motorola
                        to repair, maintain, install or modify the equipment, or
                        if the product is used in other than its normal and
                        customary manner;

               7.6.4    Customer's failure to maintain prescribed environmental
                        conditions or external electrical tolerances.

               7.6.5    Damage which occurs during shipment from Customer to
                        Motorola.

               7.6.6    Replacement or malfunction of consumable items such as
                        printing ribbons.

               7.6.7    Failure of any part of the Interconnected Carrier
                        equipment.

---------------------------

(R)Reg. U.S. Pat. & Tm. Off.

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   72

<TABLE>
<S>                                      <C>                    <C>
Motorola/Nextel International             Exhibit "E"                                    "E"-8
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   73

<TABLE>
<S>                                  <C>                         <C>
Motorola/Nextel International          Exhibit "F"                                      "F"- 1
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

                                   EXHIBIT "F"
             TO iDEN(R) INFRASTRUCTURE EQUIPMENT PURCHASE AGREEMENT
                                SOFTWARE LICENSE

For purposes of uniformity and brevity, references to Agreement or to an Exhibit
shall refer to the above - referenced Agreement to which this document is
Exhibit "F" and to the other Exhibits to that Agreement, except as otherwise
stated herein. All definitions set forth in the Agreement shall apply hereto
except as otherwise expressly defined herein.

1.    DEFINITIONS

      Features - Features include Optional Features and Standard Features.

      Initial Program Load (IPL) - The Initial Program Load contains the
      Operating System Software (O/SS) and the Standard Features of the current
      Software Release.

      Initial License Fee (ILF) - The Initial License Fee is the License Fee for
      using the O/SS, and all Standard Features included in the IPL. This fee
      does not cover the use of any Optional Features. This fee also does not
      cover the use of Software on expansion equipment associated with Network
      Elements, unless such expansion equipment is installed when Customer pays
      the Initial License Fee.

      License Fee - License Fee means the fee paid by Customer pursuant to
      Section 6.1.4 of the Agreement for the right to use Software in accordance
      with the terms of this Exhibit.

      Network Elements - Network Elements refer to the network infrastructure
      components, including those components associated with Internet Protocol
      (IP) network architecture. Network Elements include, but are not limited
      to, the Fixed Network Equipment (FNE), and any expansions or
      sub-components thereof. Network Elements may be either manufactured or
      supplied by Motorola or by third parties.

      Network Features - Network Features allow specialized communication
      between any Network Elements.

      Operating System Software (O/SS) - The O/SS brings the hardware platform
      to a state of readiness that allows Standard and Optional Features to run.

      Operational Features - Operational Features improve the overall non-call
      performance of the network. Non-call performance includes increased call
      quality, increased availability and decreased cost of ownership. Examples
      of Operational Features include Billing Features, CAMP Terminal
      Expansions, Interference Cancellation, and Multiple Alarm Expansions.

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   74

<TABLE>
<S>                                  <C>                         <C>
Motorola/Nextel International          Exhibit "F"                                      "F"- 2
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

      Optional Features - Optional Features provide incremental functionality
      beyond the Standard Release and require the purchase of individual feature
      licenses. Optional Feature categories include Subscriber Features, Network
      Features and Operational Features.

      Software - Software is any computer program, including the O/SS, the
      Features and any other computer program, whole or partial copies of a
      computer program, adaptations, derivative works, modifications,
      translations, updates or enhancements of all or part of a computer
      program, documentation associated with a computer program, and the
      techniques and ideas embodied and expressed in a computer program
      (including but not limited to the structure, sequence and organization of
      a computer program.) A computer program comprising Software under this
      Agreement is in any medium (including but not limited to all types of
      permanent or semi-permanent memory or storage devices, in hard-wired logic
      instructions, or in any electronic medium) and in any form (for example,
      human or machine-readable form), and a computer program is furnished
      directly or indirectly by Motorola to Customer, or, to the extent
      permitted under this Agreement, is a Customer's copy, adaptation,
      derivative work, modification, translation, update or enhancement of a
      computer program furnished directly or indirectly by Motorola to Customer.
      The computer programs comprising Software may be used solely in
      conjunction with the System Configuration. NOTWITHSTANDING THE FOREGOING,
      THE TERM SOFTWARE SHALL NOT INCLUDE THIRD PARTY COMPUTER PROGRAMS PROVIDED
      UNDER SEPARATE LICENSE AGREEMENTS SUCH AS SHRINK-WRAP LICENSE AGREEMENTS,
      OR THIRD PARTY COMPUTER PROGRAMS NOT LICENSABLE UNDER THE TERMS OF THIS
      AGREEMENT, SUCH AS THIRD PARTY COMPUTER PROGRAMS PROVIDED UNDER THE FREE
      SOFTWARE FOUNDATION'S GENERAL PUBLIC LICENSE. Any reference herein to
      Software being "sold" or "purchased" shall in fact be deemed to be a
      reference to Software being "licensed."

      Software Release - A Software Release is a new version of Software that
      contains new Standard Features, O/SS upgrades, and those Optional Features
      that have been licensed separately and individually by Customer.

      Standard Features - Standard Features are included in the current Software
      Release at no additional charge. Included in the Standard Features is the
      Call Processing functionality that allows the Network Elements to operate
      as a wireless communications system.

      Subscriber Features - Subscriber Features are those that can either be
      offered on a per-subscriber or per-traffic channel basis and/or which are
      apparent as features to the subscriber. Examples of Subscriber Features
      include Caller Preview Service, Message Waiting Notification and
      Authentication.

      System Configuration - System Configuration means the combination of
      Software and Network Elements installed in the System for which the most
      recent License Fees due under the terms of this Agreement have been paid
      by Customer. (For the purposes of this

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   75

<TABLE>
<S>                                  <C>                         <C>
Motorola/Nextel International          Exhibit "F"                                      "F"- 3
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

      definition, a Network Element does not include that expansion equipment
      associated with such Network Elements if such expansion equipment has not
      yet been installed.)

2.    LICENSE GRANT

      2.1    Concurrent with execution of the Agreement and subject to the
             payment of applicable License Fees hereunder, Motorola grants to
             Customer a personal, perpetual, revocable, limited, non-exclusive
             and non-transferable license under applicable copyrights and trade
             secret rights to use Software in connection with the System
             Configuration. The term "use" means to load, execute, store or
             display the Software, for the purpose of operating or maintaining
             the System Configuration. The term "maintain" means performing
             diagnostic and testing functions consistent with Customer's
             obligation to provide first echelon diagnosis under the Software
             warranty set forth in the Agreement.

      2.2    The following License Fees for the use of Software on the initial
             System Configuration are set forth in Exhibit A of the Agreement:
             (i) ILF; and (ii) License Fees for specified Optional Features.

      2.3    Changes to System Configuration and/or additional use of existing
             Software (by Network Elements or subscribers) may require payment
             of additional License Fees. Examples of changes to System
             Configuration and/or additional Software uses include, but are not
             limited to, the following:

             (i)      use of additional Optional Features;

             (ii)     increased capacity of Optional Features;

             (iii)    increased call processing  capacity;

             (vi)     expansion of Network Elements (e.g. increase in the number
                      of trunk shelves);

             (vii)    addition of Network Elements.

3.    LIMITATIONS ON USE OF SOFTWARE

      3.1    The Software is Confidential Information of Motorola or its
             licensors. Customer agrees to keep confidential, in accordance with
             the terms of the Agreement, and not use, provide or otherwise make
             available in any form any Software or its contents, or any portion
             thereof, to any third party.

      3.2    Customer shall not translate, modify, merge, adapt, de-compile,
             disassemble, or reverse engineer the Software or any portion
             thereof.

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   76

<TABLE>
<S>                                  <C>                         <C>
Motorola/Nextel International          Exhibit "F"                                      "F"- 4
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

      3.3    Customer shall notify Motorola in the event that it has purchased
             Network Elements from a third party. Motorola shall have the right
             to audit Customer's System Configuration at any time for the
             purpose of calculating any additional License Fees which may be due
             pursuant to Section 2.3. Notwithstanding any Software warranty or
             other performance requirements included in the Agreement, Motorola
             shall have no responsibility for the operation of Software on
             components that have not been originally packaged together by
             Motorola.

      3.4    Subsequent transfers or sale of Network Elements by Customer may
             require the transferee or purchaser to obtain a Software license
             from Motorola, as well as payment of applicable license fees, prior
             to the use of Software by the transferee or purchaser. Customer
             shall notify Motorola upon such transfer or sale in order to permit
             Motorola to grant a Software license to the transferee or
             purchaser, if appropriate.

4.    RIGHT TO COPY,  PROTECTION AND SECURITY

      4.1    Software provided hereunder may be copied (for back-up purposes
             only) in whole or in part, in machine-readable form for Customer's
             internal use only, provided, however, that no more than two (2)
             printed copies and two (2) machine-readable copies will be in
             existence at any one time without the prior written consent of
             Motorola, other than copies resident in the System Configuration.

      4.2    With reference to any copyright notice of Motorola associated with
             Software, Customer agrees to include the same on all copies it
             makes in whole or in part. Motorola's copyright notice may appear
             in any of several forms, including machine-readable form. Use of a
             copyright notice on the Software does not imply that such has been
             published or otherwise made generally available to the public.

      4.4    Software and any copy of Software is the sole and exclusive
             property of Motorola or its licensors and no title or ownership
             rights to the Software or any of its parts is transferred to
             Customer.

      4.5    Customer acknowledges that it is the responsibility of Customer to
             take all reasonable measures to safeguard Software and to prevent
             its unauthorized use or duplication.

5.    REMEDIES

      Customer acknowledges that violation of the terms of this Exhibit or the
      Agreement shall cause Motorola irreparable harm for which monetary damages
      may be inadequate, and Customer agrees that Motorola may seek temporary or
      permanent injunctive relief without the need to prove actual harm in order
      to protect Motorola's interests.

6.    TERMINATION

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   77

<TABLE>
<S>                                  <C>                         <C>
Motorola/Nextel International          Exhibit "F"                                      "F"- 5
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

      6.1    Any license granted hereunder may be terminated by Customer upon
             one (1) month's prior written notice.

      6.2    Motorola may revoke any license granted hereunder if Customer is in
             default of any of the terms and conditions of the Agreement or
             Exhibits, and such revocation shall be effective if Customer fails
             to correct such default within ten (10) days after written notice
             thereof by Motorola.

      6.3    Within one (1) month after termination or revocation of any
             license, Customer shall furnish to Motorola a document certifying,
             through its best efforts and to the best of its knowledge, the
             original and all copies in whole or in part of all Software, in any
             form, including any copy in an updated work, have been returned to
             Motorola or destroyed.

7.    LICENSEE RIGHTS

      7.1    Nothing contained herein shall be deemed to grant, either directly
             or by implication, estoppel, or otherwise, any license under any
             patents or patent applications of Motorola or Motorola's licensors,
             except where an license may arise by operation of law, and only to
             the extent that such license is necessary to operate the System.

      7.2    During the term of the license granted pursuant to Section 2 herein
             and for a period of one year after expiration or termination,
             Motorola, its licensor(s), or their representatives may, upon prior
             notice to Customer: (i) inspect the files, computer processors,
             equipment, facilities and premises of Customer during normal
             working hours to verify Customer's compliance with this Agreement;
             and (ii) while conducting the inspection, copy or retain any item
             that Customer may possess in violation of the license or the
             Agreement.

      7.3    Customer acknowledges that the provisions of this Exhibit are
             intended to inure to the benefit of Motorola and its licensors.
             Customer acknowledges that Motorola or its licensors have the right
             to enforce these provisions against Customer, whether in Motorola's
             or its licensor's name.

      7.4    THIRD PARTY COMPUTER PROGRAMS NOT LICENSABLE UNDER THE TERMS OF
             THIS AGREEMENT, SUCH AS THIRD PARTY COMPUTER PROGRAMS PROVIDED
             UNDER THE FREE SOFTWARE FOUNDATION'S GENERAL PUBLIC LICENSE, ARE
             ONLY LICENSED TO THE EXTENT ALLOWED BY THE ORIGINAL LICENSOR.

             PURSUANT TO CUSTOMER'S REQUEST, WITH RESPECT TO COMPUTER PROGRAMS
             PROVIDED UNDER THE FREE SOFTWARE FOUNDATION'S GENERAL PUBLIC
             LICENSE ("FREEWARE PROGRAMS"), (i) SUCH FREEWARE PROGRAMS SHALL BE
             IDENTIFIED BY MOTOROLA, USING

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   78

<TABLE>
<S>                                  <C>                         <C>
Motorola/Nextel International          Exhibit "F"                                      "F"- 6
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

             COMMERCIALLY REASONABLE BEST EFFORTS AND TO THE BEST OF MOTOROLA'S
             KNOWLEDGE AND (ii) FOR A PERIOD OF THREE YEARS AFTER RECEIPT OF
             SUCH FREEWARE PROGRAMS, A FREE COPY OF THE SOURCE CODE OF THE
             FREEWARE PROGRAMS IN MACHINE-READABLE FORM SHALL BE PROVIDED BY
             MOTOROLA (ALTHOUGH DISTRIBUTION FEES MAY BE APPLICABLE).

8.    ENTIRE UNDERSTANDING

      Notwithstanding anything to the contrary in other agreements, purchase
      orders or order acknowledgments, the Agreement and this Exhibit F set
      forth the entire understanding and obligations regarding use of Software,
      implied or expressed.

---------------------------
(R)Reg. U.S. Pat. & Tm. Off.

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   79

<TABLE>
<S>                                      <C>                    <C>
Motorola/Nextel International             Exhibit "G"                                    "G"-1
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

                                   EXHIBIT "G"
             TO iDEN(R) INFRASTRUCTURE EQUIPMENT PURCHASE AGREEMENT

                                    TRAINING

For purposes of uniformity and brevity, references to Agreement or to an Exhibit
shall refer to the above-referenced Agreement to which this document is Exhibit
"G" and to the other Exhibits to that Agreement. All definitions set forth in
this Agreement shall apply hereto. Payment of the fee set forth in the then
current iDEN Training Catalog shall evidence incorporation of this Exhibit "G"
into the Agreement.

Technical Training is intended for System Operators, Maintenance personnel,
Supervisor and Management personnel responsible for operation of an iDEN System
who possess the necessary prerequisite knowledge, including but not necessarily
limited to knowledge of telephony, digital communications and networking, logic
circuitry, Pulse Code Modulation theory, and RF Technology.

1.0     GENERAL

        1.1    The series of sub-component courses presented in the iDEN
               Training Catalog are primarily intended for delivery at the iDEN
               Technical Training Center in Schaumburg, IL, using dedicated
               training equipment and training facilities. Some level 1 courses
               can be delivered at the Customer premises.

        1.2    The training pricing shown in the iDEN Training Catalog includes
               all instructional services and student course materials for use
               by Customer's students. No license is granted for further
               reproduction or distribution of these Motorola developed training
               materials provided during the class sessions.

        1.3    All training will be conducted in English and all course material
               will be in English, unless otherwise agreed  by both parties

        1.4    For classes conducted at Motorola facilities in Schaumburg, IL,
               any and all other expenses incurred by Customer's student
               attendees, including but not limited to travel, meals, lodging
               and personal entertainment, are the responsibility of Customer or
               the attendee.

        1.5    For instructional services, consulting, or classes conducted at a
               Customer-supplied facility, or for any location other than
               Motorola facilities in Schaumburg, IL, Customer shall be
               responsible for the payment of all incidental expenses resulting
               from the training session. This would include but not be limited
               to facilities costs such as meeting room costs or equipment
               rental, plus Customer or attendee food, travel, and lodging
               expenses. Instructor expenses (food, travel and lodging) will be
               passed through to the Customer at cost.

        1.6    The courses utilized in support of the iDEN System will, in most
               cases, be divided between periods of lecture and periods of
               practical "Hands-On" training. Courses

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   80

<TABLE>
<S>                                      <C>                    <C>
Motorola/Nextel International             Exhibit "G"                                    "G"-2
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

               conducted at Customer location will utilize customer-supplied
               product, terminals, test equipment and related paraphernalia for
               the practical "Hands-On" sessions. Motorola reserves the right to
               subcontract training to authorized Motorola training departments
               outside of the Network Solutions Sector (NSS), and/or
               subcontractors of Motorola.

2.0     TECHNICAL TRAINING PLAN DESCRIPTION

        2.1    One of the many initiatives of iDEN technical training is to
               provide training that will help Customer participants perform
               their jobs more efficiently. To do this, Motorola's technical
               training representatives interviewed managers, and more
               importantly, the technicians and engineers who actually do the
               work to find out what the Customer's needs are to maintain the
               iDEN infrastructure.

        2.2    The Technical Training Curriculum is divided into 3 levels.

                   A.  Level 1 is for someone new to the MSO environment

                   B.  Level 2 is designed to train individuals how to maintain
                       and troubleshoot the infrastructure.

                   C.  Level 3 will teach the technicians and engineers advanced
                       concepts and troubleshooting techniques.

               All equipment maintenance courses will be structured to provide
               servicing information consistent with the service plan
               established by Motorola. No component level servicing information
               is included in this training plan for any Fixed or Subscriber
               equipment within this System.

3.0     SCHEDULING OF TRAINING

        The training curriculum available in the iDEN Training Catalog will be
        accompanied by the schedule for all of the classes held in the Motorola
        Training facility in Schaumburg, IL. Training that can be delivered at
        the Customer location will be scheduled depending on instructor
        availability and the acceptance of the proposed quote. These field
        classes may be subject to change based on resource, equipment, and
        System availability. To ensure a wider range of available training
        dates, scheduling requests should be made at least 120 days in advance
        of the start of the requested delivery date. At the time of Customer's
        request for scheduling, Motorola will confirm the request and will
        inform Customer of changes that may have occurred in course length,
        delivery location, content or source that would materially affect the
        training session.

4.0     DELIVERABLES FOR TECHNICAL TRAINING AND TECHNICAL TRAINING-RELATED
        PRODUCTS

        The Curriculum list in the iDEN Training Catalog shows the course titles
        for each of the expected classes in each of the three training levels.
        The lists of training courses are subject to revision, based on changes
        in Customer's System hardware and software. In addition, training course
        title, content, source and desired location is subject to change.

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   81

<TABLE>
<S>                                      <C>                    <C>
Motorola/Nextel International             Exhibit "G"                                    "G"-3
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

        Course Descriptions for each of these training courses are shown in the
        attached iDEN Training Catalog.

5.0     TECHNICAL TRAINING PREREQUISITES

        Each of the courses or course levels shown in the catalog has one or
        more prerequisites.

        In general, if a course is to be taken without completing the suggested
        prerequisites for that particular course, the prerequisite waiver form
        located in the catalog must be completed and attached to the
        registration form. The filling out of this waiver form indicates that
        the specified individual has the equivalent experience, and/or knowledge
        base, to assimilate the course content without completing the suggested
        prerequisites. It also indicates that the individual is registering
        without having taken the prerequisites but is part of the target
        audience.

6.0     COURSE DESCRIPTIONS

        The course descriptions set forth in Motorola's Training Catalog shall
        be considered a representative sample of the courses available to
        Customer. All material in the catalog is subject to change.

---------------------------

(R)Reg. U.S. Pat. & Tm. Off.

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   82

<TABLE>
<S>                                     <C>                      <C>
Motorola/Nextel International             Exhibit "H"                                    "H"-1
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

                                   EXHIBIT "H"
             TO iDEN(R) INFRASTRUCTURE EQUIPMENT PURCHASE AGREEMENT

                                  DOCUMENTATION

For purposes of uniformity and brevity, references to Agreement or to an Exhibit
shall refer to the above-referenced Agreement to which this document is Exhibit
"H" and to the other Exhibits to that Agreement. All definitions set forth in
the Agreement shall apply hereto.

Motorola commits to provide Customer documents on the subject matter set forth
in this Exhibit (the "Documentation"). Motorola shall have sole discretion as to
the particular documents and media (printed copy, compact disk, online access,
etc.) by which the Documentation is conveyed to Customer.

1.      DOCUMENTATION SUBJECT MATTER

        With respect to the System in general, the following topics are
        addressed in the Documentation:

        1.1    System Description.  This information provides an overview of the
               operation, hardware (block diagrams), and software (data flow
               diagrams) that make up the iDEN System.

        1.2    Operation. Description of how to operate the iDEN System,
               including loading procedures, commands, operational modes, and
               alarm descriptions.

        1.3    Command Reference. The information in this category serves as a
               reference guide of the system command line interface commands,
               including command syntax, parameters, default values and
               examples. This information may be provided as a separate
               reference or included in some volumes. In some instances, this
               information supplements the on-line help and release
               Documentation that accompanies new software releases.

        1.4    System Administration.  The information in this category provides
               procedures for tasks to be performed by the system administrator.

        1.5    Operator Procedures.  The information in this category provides
               procedures for tasks to be performed by the system operator.

        1.6    Performance Analysis.  The information in this category provides
               details concerning measurement reports and non-proprietary stored
               data formats generated by the RF subsystem.

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   83

<TABLE>
<S>                                     <C>                      <C>
Motorola/Nextel International             Exhibit "H"                                    "H"-2
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

        1.7    System Alarm Message Description. The information in this
               category serves as an alphabetized reference guide of system
               alarm messages, including a definition and description of each
               alarm and event.

        1.8    Glossary of Terms and Acronyms. The information in this category
               provides an alphabetized listing of terms and acronyms, together
               with associated definitions.

        1.9    Hardware Installation.  The information in this category contains
               information pertaining to installation of the iDEN System modules
               and subsystems.

        1.10   Functional Description.  The information in this category
               describes the overall theory, function and operation of various
               subsystems of the iDEN System.

2.      THIRD PARTY DOCUMENTATION

        At Motorola's option, third-party Documentation may be supplied to
        support the operation and maintenance of the iDEN System.

3.      CHANGES AND UPDATES

        Motorola agrees to supply Customer updates to the standard Documentation
        at no additional charge and upon general availability.

4.      DELIVERY

        Motorola shall deliver the Documentation to Customer with the
        Infrastructure Equipment, Software and other Products, but in no event
        later than Conditional Acceptance of the System.

5.      COPYRIGHT

        All Motorola-supplied Documentation is copyrighted by Motorola, Inc.,
        except for that Documentation copyrighted by vendors or third parties.
        No reproduction rights for the Motorola-supplied Documentation are
        granted by this Exhibit.

6.      ADDITIONAL COPIES

        Copies of product Documentation are provided with the delivery of the
        iDEN System. Additional copies are available from Motorola at a nominal
        charge, as requested by the Customer. Copies may be obtained from the
        Customer's Program Management or directly from the Motorola.

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   84

<TABLE>
<S>                                     <C>                      <C>
Motorola/Nextel International             Exhibit "H"                                    "H"-2
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

7.      LANGUAGE

        Documentation is available from Motorola in English. Other languages may
        be available for certain documents, or translation may be arranged at
        the Customer's expense.

---------------------------

(R)Reg. U.S. Pat. & Tm. Off.

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   85

<TABLE>
<S>                                     <C>                      <C>
Motorola/Nextel International             Exhibit "K"             Equipment Purchase Agreement
July 28, 2000 D6                                                                         "K"-1
</TABLE>

NEXTEL INTERNATIONAL INC. (NH) SMP PRICING SUMMARY - VERSION 5, 3/28/00

[*]

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission consisting of four consecutive pages pursuant to an
application for confidential treatment pursuant to Rule 24b-2 under the
Securities Act of 1934, as amended.

                                  Confidential
<PAGE>   86

<TABLE>
<S>                                     <C>                     <C>
Motorola/Nextel International             Price Book                                     "L"-1
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

                                   EXHIBIT "L"
             TO iDEN(R) INFRASTRUCTURE EQUIPMENT PURCHASE AGREEMENT

                     PRICE BOOK, VERSION 3.1, JULY 28, 2000

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality Provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission consisting of 387 consecutive pages pursuant to an
application for confidential treatment pursuant to Rule 24b-2 under the
Securities Act of 1934, as amended.

<PAGE>   87
Motorola/Nextel International            Exhibit "M"                      "M" -1
August 9, 2000

                                 EXHIBIT "M"
                  TO IDEN(R) INFRASTRUCTURE SUPPLY AGREEMENT

                  LISTING OF "YEAR 2000 COMPLIANT" PRODUCTS

The products delivered under the Agreement are currently fully "Year 2000
Compliant" (Category A) except for the products identified on the equipment
list as Category C.

For the third party product identified on the equipment list as Category C, the
warranty set forth in Section 8.6 of the Agreement applies only as it relates
to the specific functions of that product necessary in the performance of the
System provided under this Agreement.  If Customer requires Year 2000
information for other uses of these products, Customer must contact directly
the third party supplier.

<TABLE>
<CAPTION>
 CATEGORY  SUBYSTEM               DEVICE              MANUFACTURER/       VERSION                SYSTEM RELEASE
 --------  ---------              ------              -------------       -------                --------------
                                                      VENDOR
                                                      ------

<S>        <C>                    <C>                 <C>                 <C>                    <C>
    A

    C

    A

    A

    A

    C

    C

    C

                                                               [ * ]
    C

    C

    A

    A

    A

    C

    C

    C

    C

    C

    C

    C

</TABLE>

      Confidential: Use or disclosure of this document is subject to the
                restrictions in the Confidentiality provision.

* Confidential portions  omitted and filed  separately with the  Securities and
Exchange Commission pursuant  to an application  for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   88
Motorola/Nextel International            Exhibit "M"                      "M"-2
August 9, 2000

<TABLE>
<S>        <C>                    <C>                 <C>                 <C>                    <C>
     A

     C

     C

     C

     C

     C

     A

                                                               [ * ]
     A

     A

     C

     C

     C

     C

     C

</TABLE>

------------------------------
(R)Reg. U.S. Pat. & Tm. Off.

      Confidential: Use or disclosure of this document is subject to the
                restrictions in the Confidentiality provision.

* Confidential portions  omitted and filed  separately with the  Securities and
Exchange Commission pursuant  to an application  for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.
<PAGE>   89

<TABLE>
<S>                                     <C>                      <C>
Motorola/Nextel International             Exhibit "N"                                   "N"-1
August 9, 2000                                                    Equipment Purchase Agreement
</TABLE>

                                   EXHIBIT "N"
             TO iDEN(R) INFRASTRUCTURE EQUIPMENT PURCHASE AGREEMENT

                 SUBSCRIBER-BASED ALTERNATIVE IPL FEE STRUCTURE

       Confidential: Use or disclosure of this document is subject to the
                 restriction in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission consisting of four consecutive pages pursuant to an
application for confidential treatment pursuant to Rule 24b-2 under the
Securities Act of 1934, as amended.

<PAGE>   90

Motorola/Nextel International              Price Book                      "O"-1
August 9, 2000

                                   EXHIBIT "O"
              TO iDEN(R) INFRASTRUCTURE EQUIPMENT SUPPLY AGREEMENT

                            SMP PROPOSAL TO CUSTOMER
                              DATED MARCH 14, 2000

       Confidential: Use or disclosure of this document is subject to the
                 restrictions in the Confidentiality provision.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission consisting of 51 consecutive pages pursuant to an
application for confidential treatment pursuant to Rule 24b-2 under the
Securities Act of 1934, as amended.

<PAGE>   91

                               Agreement Schedule

                iDEN(R) Infrastructure Equipment Supply Agreement

The following is a schedule of omitted information in the attached form of
agreement for each of the agreements being filed pursuant to Item 601(a),
Instruction 2 of Regulation S-K. The items below correspond to the omitted
portions of the agreements in brackets.

A.      iDEN Infrastructure Equipment Supply Agreement by and among Nextel
        International, Inc, Motorola, Inc. and Nextel Argentina S.R.L. executed
        August 14, 2000.

Item 1 -- Entity Name:       Nextel Argentina S.R.L.

Item 2 -- Local Address:     Palestina 977, Codigo Postal 1182, Buenos Aires
                             (Capital Federal), Argentina

Item 3 -- Country:           Argentina

Item 4 -- Prior Agreements:  Integrated Dispatch Enhanced Network ("iDEN")
                             Equipment Purchase Agreement and the Integrated
                             Dispatch Enhanced Network ("iDEN") Installation and
                             Optimization Agreement, both between
                             McCaw-Argentina, c/o McCaw International, LTD and
                             Motorola and both dated as of May 26, 1997 as
                             heretofore amended,

Item 5 - Signatory:          /s/ Jose Felipe
                             Name: Jose Felipe

Item 6 - Fax:                [*]

Item 7 - Addressee:          Mr. Enrique Barraza

Item 8 - Proposal No.        700.1699

------------------------------
        (R)Registered U.S. Patent & Trademark Office.

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   92

Item 9 - Copied to           Bob Suastegui
                             Brian Grewe
                             Gerardo Alfaro
                             Christine Roberts
                             Mauricio Puliti
                             Gerry Lemke
                             Bill Hewitt
                             Edsel Aeschliman

Item 10 -                    The pricing information presented is for the
                             Argentina entity only; pricing varies by subsidiary

B.      iDEN Infrastructure Equipment Supply Agreement by and among Nextel
        International, Inc, Motorola, Inc. and Nextel Telecomunicacoes Ltda.
        executed August 14, 2000.

Item 1 -- Entity Name:       Nextel Telecomunicacoes Ltda.

Item 2 -- Local Address:     Av. Maria Coelho Aguiar, 215, 7 degrees andar.
                             City of Sao Paulo, State of Sao Paulo
                             Brazil

Item 3 -- Country:           Brazil

Item 4 -- Prior Agreements:  Rio de Janeiro Integrated Dispatch Enhanced Network
                             ("iDEN") Equipment Purchase Agreement and the
                             Integrated Dispatch Enhanced Network ("iDEN")
                             Installation and Optimization Agreement, both
                             between McCaw International (Brazil), Ltd. and
                             Motorola and both dated as of May 9, 1997, as
                             heretofore amended, and the Sao Paulo Integrated
                             Dispatch Enhanced Network ("iDEN") Equipment
                             Purchase Agreement and the Integrated Dispatch
                             Enhanced Network ("iDEN") Installation and
                             Optimization Agreement, both between McCaw
                             International (Brazil), Ltd. and Motorola and both
                             dated as of March 21, 1997, as heretofore amended,

Item 5 - Signatory:          /s/ Alexis Mozarovski
                             Name: Alexis Mozarovski

Item 6 - Fax:                [*]

Item 7 - Addressee:          Mr. Louis Herrra (cc: Egilson Silveira)

Item 8 - Proposal No.        700.1697

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   93

Item 9 - Copied to           Bob Suastegui
                             Brian Grewe
                             Augusto Vianna
                             Christine Roberts
                             Mauricio Puliti
                             Gerry Lemke
                             Bill Hewitt

Item 10 -                    The pricing information presented is for the
                             Argentina entity only; pricing varies by subsidiary

C.      iDEN Infrastructure Equipment Supply Agreement by and among Nextel
        International, Inc, Motorola, Inc. and Nextel de Mexico, S.A. de C.V.
        executed August 14, 2000.

Item 1 -- Entity Name:       Nextel de Mexico, S.A. de C.V.

Item 2 -- Local Address:     Comunicaciones Nextel de Mexico, S.A. de C.V., a
                             company with offices at Blvd. Manuel Avila Camacho
                             No. 36, Piso 9, Colonia Lomas de Chapultepec,
                             Mexico 11000, D.F.

Item 3 -- Country:           Mexico

Item 4 -- Prior Agreements:  Integrated Dispatch Enhanced Network ("iDEN")
                             Equipment Purchase Agreement and the Integrated
                             Dispatch Enhanced Network ("iDEN") Installation and
                             Optimization Agreement, both between Corporacion
                             Mobilcom, c/o McCaw International, LTD, and
                             Motorola and both dated as of August 28, 1997, as
                             heretofore amended,

Item 5 - Signatory:          /s/ Peter Foyo
                             Name: Peter Foyo

Item 6 - Fax:                [*]

Item 7 - Addressee:          Mr. Raul Ramirez

Item 8 - Proposal No.        700.1698

Item 9 - Copied to           Bob Suastegui
                             Brian Grewe
                             Angel Estevez
                             Gary Houda
                             Mauricio Puliti
                             Gerry Lemke
                             Bill Hewitt

Item 10 -                    The pricing information presented is for the
                             Argentina entity only; pricing varies by subsidiary

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   94

D.      iDEN Infrastructure Equipment Supply Agreement by and among Nextel
        International, Inc, Motorola, Inc. and Nextel del Peru, S.A. executed
        August 14, 2000.

Item 1 -- Entity Name:       Nextel del Peru, S.A.

Item 2 -- Local Address:     Los Nardos 1018, piso 7, Lima 27, Peru

Item 3 -- Country:           Peru

Item 4 -- Prior Agreements:  iDEN Infrastructure Equipment Purchase Agreement
                             and the iDEN

                             Infrastructure Installation and Optimization
                             Agreement, both between Valorcom, s.a. and Motorola
                             and both dated as of February 16, 1998, as
                             heretofore amended,

Item 5 - Signatory:          /s/ Miguel Rivera
                             Miguel Rivera

Item 6 - Fax:                [*]

Item 7 - Addressee:          Mr. Harry Thornberry

Item 8 - Proposal No.        700.1700

Item 9 - Copied to           Bob Suastegui
                             Brian Grewe
                             Javier Escajadillo
                             John Skowron
                             Mauricio Puliti
                             Gerry Lemke
                             Bill Hewitt

Item 10 -                    The pricing information presented is for the
                             Argentina entity only; pricing varies by subsidiary

E.      iDEN Infrastructure Equipment Supply Agreement by and among Nextel
        International, Inc, Motorola, Inc. and Nextel Communications
        Philippines, Inc. executed August 14, 2000.

Item 1 -- Entity Name:       Nextel Communications Philippines, Inc.

Item 2 -- Local Address:     at 18th Floor, Orient Square Building,  Emerald
                             Avenue, Pasig City, Philippines 1605,

Item 3 -- Country:           Philippines

Item 4 -- Prior Agreements:  Integrated Dispatch Enhanced Network ("iDEN")
                             Equipment Purchase Agreement and the Integrated
                             Dispatch Enhanced

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.

<PAGE>   95

                             Network ("iDEN") Installation and Optimization
                             Agreement, both between Infocom Communications
                             Network Inc. and Motorola and both dated as of
                             March 16, 1996, as heretofore amended,

Item 5 - Signatory:          /s/ Tony Urera
                             Name: Tony Urera

Item 6 - Fax:                [*]

Item 7 - Addressee:          Mr. Rolando Alarcon

Item 8 - Proposal No.        700.1701

Item 9 - Copied to           Bob Suastegui
                             Brian Grewe
                             Igi Miranda
                             Jim Secora
                             Rob Antonio
                             Gerry Lemke
                             Bill Hewitt

Item 10 -                    The pricing information presented is for the
                             Argentina entity only; pricing varies by subsidiary

* Confidential portions omitted and filed separately with the Securities and
Exchange Commission pursuant to an application for confidential treatment
pursuant to Rule 24b-2 under the Securities Act of 1934, as amended.<PAGE>   1

                                                                    EXHIBIT 10.1

                            2000 NON-QUALIFIED STOCK
                     OPTION PLAN OF MANUGISTICS GROUP, INC.

       1.     PURPOSE.

              The purposes of the 2000 Non-Qualified Stock Option Plan (the
"Plan") of Manugistics Group, Inc. (the "Company") are to advance the interests
of the Company and its shareholders by strengthening the ability of the Company
to attract, retain and reward highly qualified officers and other employees, to
motivate officers and other selected employees to achieve business objectives
established to promote the long-term growth, profitability and success of the
Company, and to encourage ownership of the Common Stock of the Company by
participating officers and other selected employees. The Plan authorizes
non-qualified stock options only. In addition, the Plan is intended as an
additional incentive to directors of the Company who are not employees of the
Company or an Affiliate to serve on the Board of Directors and devote themselves
to the future success of the Company by providing them with an opportunity to
acquire or increase their proprietary interest in the Company through the
receipt of options to acquire Common Stock. The Plan is also intended as an
additional incentive to selected consultants to the Company to devote themselves
to the success of the Company by providing them with similar benefits.

       2.     DEFINITIONS.

              "Board of Directors" means the Board of Directors of the Company.

              "Code" means the Internal Revenue Code of 1986, as amended and in
effect from time to time, or any successor statute thereto, together with the
published rulings, regulations and interpretations duly promulgated thereunder.

              "Committee" means the committee of the Board of Directors
established and constituted as provided in Section 5 of the Plan.

              "Common Stock" means the common stock, $.002 par value of the
Company, or any security issued by the Company in substitution or exchange
therefor or in lieu thereof.

              "Company" means Manugistics Group, Inc., a Delaware corporation,
or any successor corporation.

              "Employee" means any employee, including any officer of the
Company, who is on the active payroll of the Company or a Subsidiary at the
relevant time.

              "Exchange Act" means the Securities Exchange Act of 1934, as
amended

<PAGE>   2

and in effect time to time, including all rules and regulations promulgated
thereunder.

              "Fair Market Value" means in respect of any date on or as of which
a determination thereof is being or to be made, the average of the high and low
per share sale prices of the Common Stock for the immediately preceding trading
day reported on the NASDAQ System, or other established stock exchange on which
the Common Stock is then traded.

              "Non-Qualified Stock Option" means any option to purchase shares
of Common Stock granted pursuant to the provisions of Section 6 of the Plan.

              "Participant" means any Employee, non-employee director of, or
consultant to, the Company or a Subsidiary who receives a Stock Option under the
Plan.

              "Plan" means this 2000 Non-Qualified Stock Option Plan of the
Company, as set forth herein and as hereafter amended from time to time in
accordance with the terms hereof.

              "Stock Option" means and includes any Non-Qualified Stock Option
granted pursuant to Section 6 of the Plan.

              "Subsidiary" means the definition set forth in Section 424(f) of
the Code.

       3.     EFFECTIVE DATE; TERM.

              (a) EFFECTIVE DATE. The Plan shall be effective on September 13,
2000, the date of adoption of the Plan by the Board of Directors of the Company.

              (b) TERM. The Plan shall remain in effect until September 13, 2010
unless sooner terminated by the Board of Directors. Termination of the Plan
shall not affect grants then outstanding.

       4.     SHARES OF COMMON STOCK SUBJECT TO PLAN.

              (a)    MAXIMUM NUMBER OF SHARES AVAILABLE FOR ISSUANCE UNDER THE
PLAN. The maximum aggregate number of shares of Common Stock which may be issued
pursuant to the Plan, subject to adjustment as provided in Section 4(b) of the
Plan, shall be two million (2,000,000), plus any shares of Common Stock issued
under the Plan that are forfeited back to the Company or are canceled pursuant
to the terms of any option grant agreement. The shares of Common Stock which may
be issued under the Plan may be authorized and unissued shares or issued shares
which have been reacquired by the Company. No fractional shares of the Common
Stock shall be issued under the Plan.

              (b)    ADJUSTMENTS UPON CHANGES IN CAPITAL STRUCTURE. In the event
of any change in the capital structure, capitalization or Common Stock of the
Company such as a stock dividend, stock split, recapitalization, merger,
consolidation, split-up,

<PAGE>   3

combination or exchange of shares or other form of reorganization, or any other
change affecting the Common Stock, unless the Board of Directors in its
discretion determines otherwise, a proportionate adjustment to reflect such
change shall be made with respect to: (i) the maximum number of shares of Common
Stock which may be issued pursuant to the Plan; (ii) the number of shares of
Common Stock subject to any outstanding Stock Option made to any Participant
under the Plan; (iii) the per share exercise price in respect of any outstanding
Stock Options; (iv) the number of shares of Common Stock which are the subject
of grants then outstanding under the Plan; and (v) any other term or condition
of any grant affected by any such change, subject to the provisions of Section
8(a) below.

       5.     ADMINISTRATION.

              (a)    THE COMMITTEE. The Plan shall be administered by the
Committee to be appointed from time to time by the Board of Directors and
comprised of not less than two of the then members of the Board of Directors,
each of whom is a "Non-Employee Director" within the meaning of Rule 16(b)-3
under the Exchange Act (or has similar status under any successor provision) and
as "outside directors" within the meaning of Section 162(m) of the Code. Members
of the Committee shall serve at the pleasure of the Board of Directors. The
Board of Directors may from time to time remove members from, or add members to
the Committee. A majority of the members of the Committee shall constitute a
quorum for the transaction of business and the acts of a majority of the members
present at any meeting at which a quorum is present shall be the acts of the
Committee. Any one or more members of the Committee may participate in a meeting
by conference telephone or similar means where all persons participating in the
meeting can hear and speak to each other, which participation shall constitute
presence in person at such meeting. Action approved in writing by a majority of
the members of the Committee then serving shall be fully as effective as if the
action had been taken by unanimous vote at a meeting duly called and held. The
Company shall issue Stock Options under the Plan in accordance with the terms
and conditions specified by the Committee, which terms and conditions shall be
set forth in grant agreements and/or other instruments in such forms as the
Committee shall approve.

              (b)    COMMITTEE POWERS. The Committee shall have full power and
authority to operate and administer the Plan in accordance with its terms. The
powers of the Committee include, but are not limited to, the power to: (i)
select Participants from among the Employees and non-employee Directors of the
Company and Subsidiaries; (ii) establish the types of, and the terms and
conditions of, all grants of Stock Options made under the Plan, subject to any
applicable limitations set forth in, and consistent with the express terms of
the Plan; (iii) make grants of Stock Options subject to and consistent with the
express provisions of the Plan; (iv) prescribe the form or forms of grant
agreements and other instruments evidencing grants under the Plan; (v) construe
and interpret the Plan and make any determination of fact incident to the
operation of the Plan; (vi) promulgate, amend and rescind rules and regulations
relating to the implementation, operation and administration of the Plan; (vii)
adopt such modifications, procedures and subplans as may be necessary or
appropriate to comply with the laws of other countries with respect to
Participants or prospective Participants employed in such

<PAGE>   4

other countries; (viii) modify the terms of outstanding Stock Options, except
that, without the consent of the optionee, no such modification may impair the
rights granted under any such Stock Option; (ix) delegate to other persons the
responsibility for performing administrative or ministerial acts in furtherance
of the Plan; (x) engage the services of persons and firms, including banks and
consultants, in furtherance of the Plan's activities; and (xi) make all other
determinations and take all other actions as the Committee may deem necessary or
advisable for the administration and operation of the Plan.

              (c)    COMMITTEE'S DECISIONS FINAL. Any determination, decision or
action of the Committee in connection with the construction, interpretation,
administration or application of the Plan, and of any grant agreement, shall be
final, conclusive and binding upon all Participants, and all persons claiming
through Participants, affected thereby.

              (d)    INDEMNIFICATION OF COMMITTEE MEMBERS. In addition to such
other rights of indemnification as they may have as members of the Board or the
Committee, the members of the Committee shall be indemnified by the Company
against all costs and expenses reasonably incurred by them in connection with
any action, suit or proceeding to which they or any of them may be party by
reason of any action taken or failure to act under or in connection with the
Plan or any Stock Option granted under the Plan, and against all amounts paid by
them in settlement thereof (provided such settlement is approved by independent
legal counsel selected by the Company) or paid by them in satisfaction of a
judgment in any such action, suit or proceeding; provided, however, that any
such Committee member shall be entitled to the indemnification rights set forth
in this Section 5(d) only if such member has acted in good faith and in a manner
that such member reasonably believed to be in or not opposed to the best
interests of the Company and, with respect to any criminal action or proceeding,
had no reasonable cause to believe that such conduct was unlawful, and further
provided that upon the institution of any such action, suit or proceeding a
Committee member shall give the Company written notice thereof and an
opportunity to handle and defend the same before such Committee member
undertakes to handle and defend it on his own behalf.

       6.     STOCK OPTIONS.

              (a)    IN GENERAL. Options to purchase shares of Common Stock may
be granted under the Plan and shall be Non-Qualified Stock Options. All Stock
Options shall be subject to the terms and conditions of this Section 6 and shall
contain such additional terms and conditions, not inconsistent with the express
provisions of the Plan, as the Committee shall determine.

              (b)    ELIGIBILITY AND LIMITATIONS. Any officer of the Company and
any other Employee of the Company or a Subsidiary may be granted Stock Options.
The Committee shall determine, in its discretion, the Employees to whom Stock
Options will be granted, the timing of such grants, and the number of shares of
Common Stock subject to each Stock Option granted; provided, that the maximum
number of shares of Common Stock in respect of which Stock Options may be
granted to any Employee during any calendar year shall be 250,000.

<PAGE>   5

              (c)    OPTION EXERCISE PRICE. The per share exercise price of each
Stock Option granted under the Plan shall be determined by the Committee prior
to or at the time of grant, but in no event shall the per share exercise price
of any Stock Option be less than 100% of the Fair Market Value of the Common
Stock on the date of the grant of such Stock Option, unless otherwise required
by law.

              (d)    OPTION TERM. The term of each Stock Option shall be fixed
by the Committee; except that in no event shall the term of any Stock Option
exceed ten years after the date such Stock Option is granted.

              (e)    EXERCISABILITY. A Stock Option shall be exercisable at such
time or times and subject to such terms and conditions as shall be determined by
the Committee at the date of grant. No Stock Option may be exercised unless the
holder thereof is at the time of such exercise an Employee and has been
continuously an Employee since the date such Stock Option was granted, except
that the Committee may permit the exercise of any Stock Option for any period
following the Participant's termination of employment not in excess of the
original term of the Stock Option on such terms and conditions as it shall deem
appropriate, including, if the Committee so determines, the continuation of any
vesting requirements during the time such holder serves as a consultant or
director to the Company or any Subsidiary. In the case of any option subject to
any vesting requirements, the Committee may provide for the acceleration of the
time at which such option may be exercised. Notwithstanding anything to the
contrary in this Plan or in any Stock Option, if an Employee is terminated
involuntarily without cause within one year after a consolidation or merger in
which the Company is not the surviving corporation, all unexpired Stock Options
held by such Employee shall be exercisable for a period of ninety (90) days
after such termination, but in no event after the original expiration date set
forth in the applicable Stock Option.

              (f)    METHOD OF EXERCISE. A Stock Option may be exercised, in
whole or in part as to a minimum of 50 shares or, if fewer, the total number of
shares subject to the Stock Option, by giving written notice of exercise to the
Company specifying the number of shares of Common Stock to be purchased. Such
notice shall be accompanied by payment in full of the purchase price, plus any
required withholding taxes, in cash or, if permitted by the terms of the related
grant agreement or otherwise approved in advance by the Committee, in shares of
Common Stock already owned by the Participant valued at the Fair Market Value of
the Common Stock on the date of exercise. The Committee may also permit
Participants, either on a selective or aggregate basis, to simultaneously
exercise Stock Options and sell the shares of Common Stock thereby acquired
pursuant to a brokerage or similar arrangement approved in advance by the
Committee and to use the proceeds from such sale to pay the exercise price and
withholding taxes.

              (g)    STOCK OPTIONS TO NON-EMPLOYEE DIRECTORS.

<PAGE>   6

                     (i) Unless such director receives an equivalent option
              under any other stock option plan maintained by the Company, on
              the date of an Annual Meeting of the Shareholders, each director
              who is not an employee of the Company shall receive a
              Non-Qualified Stock Option to purchase shares of the Common Stock
              at a price per share as determined in Section 6(c) above in the
              following amounts: 16,000 shares after the first Annual Meeting at
              which a director is initially elected to the Board and 16,000
              shares at each Annual Meeting thereafter, so long as the director
              remains a member of the Board. Any director who is elected to the
              Board at any time other than an Annual Meeting will receive a
              percentage of the annual grant on the date of his or her election
              based on the number of fiscal quarters ending from the date of the
              appointment or election until the next Annual Meeting of
              Shareholders. Each Non-Qualified Stock Option received by a
              director pursuant to this Section 6(g)(i) shall vest quarterly
              over a four year period and therefore become exercisable in 16
              equal installments each calendar quarter from the date the
              Non-Qualified Stock Option is granted. Any director leaving the
              Board prior to the quarterly vesting date of a Non-Qualified Stock
              Option grant shall forfeit the unvested portion of any such
              Non-Qualified Stock Option grant, unless the exception contained
              in Section 6(g)(iv) applies.

                     (ii) In addition to the Non-Qualified Stock Option pursuant
              to Section 6(g)(i) above, any director who is newly elected or
              appointed to the Board will receive an additional Non-Qualified
              Stock Option, at the sole discretion of the Board, to purchase up
              to 16,000 shares of the Common Stock at a price per share as
              determined in Section 6(c) above. Each Non-Qualified Stock Option
              received by a director pursuant to this Section 6(g)(ii) shall
              vest and become exercisable with respect to 25% of the shares
              subject to the additional Non-Qualified Stock Option one calendar
              year from the date the additional Non-Qualified Stock Option is
              granted. The remaining 75% of the shares subject to the additional
              Non-Qualified Stock Option shall vest and become exercisable in
              equal installments quarterly over the following 12 calendar
              quarters. Any director leaving the Board prior to the annual or
              quarterly vesting date of an additional Non-Qualified Stock Option
              grant shall forfeit the unvested portion of any such additional
              Non-Qualified Stock Option grant, unless the exception contained
              in Section 6(g)(iv) applies.

                     (iii) If the director's term in office is terminated by the
              death of the director, the executor or administrator of the
              director's estate shall have the right to exercise with respect to
              all or any part of the number of shares which were vested on the
              date of death, within one year of the date of the death of the
              director.

                     (iv) Any director asked to resign from the Board, except
              for Cause (defined below), or not nominated for election to an
              additional term on the Board, except for Cause (defined below),
              shall retain the unvested portion of his or her Non-Qualified
              Stock Option grants, subject to their original

<PAGE>   7

              vesting schedule. Cause shall be defined as a good faith
              determination by the Board that the director, in or related to the
              performance of his or her duties, has not acted in good faith and
              in a manner to be in or not opposed to the best interests of the
              Company.

                     Notwithstanding anything contained herein to the contrary,
              no Non-Qualified Stock Option shall be exercisable following ten
              (10) years from the date the Non-Qualified Stock Option is
              granted.

              (h)    STOCK OPTIONS TO CONSULTANTS. The Committee may grant
Non-Qualified Stock Options to consultants to the Company on such terms and
conditions as are determined by the Committee, generally similar to those set
forth above in Sections 6(a) through 6(f), except that any restrictions required
to be set forth only in Stock Options to Employees need not be set forth in
Stock Options to consultants

              (i)    Notwithstanding anything herein to the contrary, in no
event shall options be issued to directors and officers of the Company in an
amount in any twelve-month period that would cause the Plan to fail to be
"broadly-based" under Nasdaq requirements.

       7.     NON-TRANSFERABILITY OF GRANTS.

              No grant under the Plan, and no right or interest therein, shall
be (a) assignable, alienable or transferable by a Participant, except by will or
the laws of descent and distribution, or (b) subject to any obligation, or the
lien or claims of any creditor, of any Participant, or (c) subject to any lien,
encumbrance or claim of any party made in respect of or through any Participant,
however arising. During the lifetime of a Participant, Stock Options are
exercisable only by, and shares of Common Stock issued upon the exercise of
Stock Options will be issued only to the Participant or his or her legal
representative. The Committee may, in its sole discretion, authorize written
designations of beneficiaries and authorize Participants to designate
beneficiaries with the authority to exercise Stock Options granted to a
Participant in the event of his or her death or disability. Notwithstanding the
foregoing, the Committee may, in its sole discretion and on and subject to such
terms and conditions as it shall deem appropriate, which terms and conditions
shall be set forth in the related grant agreement: (i) authorize a Participant
to transfer all or a portion of any Non-Qualified Stock Option granted to such
Participant; provided, that in no event shall any transfer be made to any person
or persons other than such Participant's parents, spouse or other life partner,
children or grandchildren, siblings, or children of siblings, or a trust for the
exclusive benefit of one or more such persons, which transfer must be made as a
gift and without any consideration; and (ii) provide for the transferability of
a particular grant pursuant to a qualified domestic relations order. All other
transfers and any retransfer by any permitted transferee are prohibited and any
such purported transfer shall be null and void. Each Stock Option which becomes
the subject of a permitted transfer (and the Participant to whom it was granted
by the Company) shall continue to be subject to the same terms and conditions as
were in effect immediately prior to such permitted transfer. The Participant
shall remain responsible to the Company for the payment of all withholding taxes
incurred as a result of any exercise of such Stock Option. In no event shall any

<PAGE>   8

permitted transfer of a Stock Option create any right in any party in respect of
any Stock Option, other than the rights of the qualified transferee in respect
of such Stock Option specified in the related grant agreement.

       8.     CHANGE IN CONTROL.

              Subject to any required action by the shareholders of the Company,
if the Company shall be the surviving corporation in any merger or
consolidation, each outstanding Stock Option shall pertain to and apply to the
securities to which a holder of the number of shares of Common Stock subject to
the Stock Option would have been entitled. A dissolution or liquidation of the
Company or a merger or consolidation in which the Company is not the surviving
corporation, shall cause each outstanding Stock Option to terminate, provided
that each optionee shall, in such event, have the right immediately prior to
such dissolution or liquidation, or merger or consolidation in which the
Corporation is not the surviving corporation, to exercise his or her Stock
Option in whole or in part without regard to any vesting requirements or
installment provisions set forth in his or her Stock Option grant agreement.

       Notwithstanding the above provisions, a Stock Option will not terminate
if assumed by the surviving or acquiring corporation, or its parent, upon a
merger or consolidation under circumstances which are not deemed a modification
of the Stock Option within the meaning of Sections 424 and 424(3)(A) of the
Internal Revenue Code.

       9.     AMENDMENT OF PLAN.

              The Board of Directors shall have the sole right and power to
amend or terminate the Plan at any time and from time to time; provided,
however, that the Board of Directors may not amend the Plan, without approval of
the shareholders of the Company, in a manner which would:

              (a)    cause the Plan or any transaction thereunder to fail to
meet the requirements of Rule 16(b)-3; or

              (b)    violate applicable law.

       10.    GENERAL PROVISIONS.

              (a)    All certificates for shares of Stock delivered under the
Plan shall be subject to such stop transfer orders and other restrictions as the
Committee may deem advisable under the rules, regulations, and other
requirements of the Securities and Exchange Commission, any stock exchange or
association upon which the Stock is then listed or traded, any applicable
Federal or state securities law, and any applicable corporate law.

              (b)    Nothing contained in the Plan shall prevent the Board of
Directors from adopting such other or additional incentive arrangements as it
may deem desirable,

<PAGE>   9

including, but not limited to, the granting of stock options and the awarding of
stock otherwise than under the Plan; and such arrangements may be either
generally applicable or applicable only in specific cases.

              (c)    Nothing contained in the Plan or in any grant hereunder
shall be deemed to confer upon any employee of the Company or any Subsidiary any
right to continued employment with the Company or any Subsidiary, nor shall it
interfere in any way with the right of the Company or any Subsidiary to
terminate or modify the employment of any of its employees at any time.

              (d)    The Plan and all grants made and actions taken thereunder
shall be governed by and construed in accordance with the laws of the State of
Delaware (without regard to choice of law provisions).

              (e)    Any Stock Option granted under the Plan shall not be deemed
compensation for purposes of computing benefits under any retirement plan of the
Company or any Subsidiary and shall not affect any benefits under any other
benefit plan now or subsequently in effect under which the availability or
amount of benefits is related to the level of compensation (unless required by
specific reference in any such other plan to grants under this Plan).

              (f)    A leave of absence, unless otherwise determined by the
Committee prior to the commencement thereof, shall not be considered a
termination of employment. Any Stock Option granted under the Plan shall not be
affected by any change of employment, so long as the holder continues to be an
employee of the Company or any Subsidiary.

              (g)    The obligations of the Company with respect to all Stock
Options under the Plan shall be subject to (A) all applicable laws, rules and
regulations, and such approvals by any governmental agencies as may be required,
and (B) the rules and regulations of any securities exchange or association on
which the Common Stock may be listed or traded.

              (h)    If any of the terms or provisions of the Plan conflict with
the requirements of Rule 16(b)-3 as in effect from time to time, or with the
requirements of any other applicable law, rule or regulation, then such terms or
provisions shall be deemed inoperative to the extent they so conflict with the
requirements of said Rule 16(b)-3, law, rule or regulation.

              (i)    A Participant or a permitted transferee of an option shall
have no rights as a stockholder with respect to any shares covered by the
Participant's Stock Option until the date of the issuance of a stock certificate
to the Participant for such shares following the exercise of such Stock Option.
No adjustment shall be made for dividends (ordinary or extraordinary, whether in
cash, securities or other property) or distributions or other rights for which
the record date is prior to the date such stock certificate is issued, except as
provided in Section 4(b) hereof.

<PAGE>   10

              (j)    No provision of this Plan or any Stock Option shall be
construed to prevent the Company from taking any corporate action deemed by the
Company to be appropriate or in its best interest, whether or not such action
could have an adverse effect on the Plan or any Stock Options granted hereunder,
and no Stock Option holder or Stock Option holder's estate, personal
representative or beneficiary shall have any claim against the Company as a
result of taking such action. The adoption of the Plan shall not affect any
other stock option or incentive or other compensation plans in effect for the
Company, nor shall the Plan preclude the Company from establishing any other
forms of incentive or other compensation for employees or directors of, or
consultants to, the Company.

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