Document:

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                                                                   EXHIBIT 10.1

                               PADS SOFTWARE, INC.

                             1998 STOCK OPTION PLAN

1.       PURPOSE

The purpose of this 1998 Stock Option Plan (the "Plan") of PADS Software, Inc.,
a Delaware corporation (the "Company"), is to advance the interests of the
Company's stockholders by enhancing the Company's ability to attract, retain and
motivate persons who make (or are expected to make) important contributions to
the Company by providing such persons with equity ownership opportunities and
incentives in order to better align the interests of such persons with those of
the Company's stockholders. Except where the context otherwise requires, the
term "Company" shall include any present or future subsidiary corporations of
PADS Software, Inc. as defined in Section 424(f) of the Internal Revenue Code of
1986, as amended, and any regulations promulgated thereunder (the "Code").

2.       ELIGIBILITY

All of the Company's employees, officers, directors, consultants and advisors
are eligible to be granted options ("Options") under the Plan. Any person who
has been granted an Option under the Plan shall be deemed a "Participant".

3.       ADMINISTRATION, DELEGATION

         a. ADMINISTRATION BY BOARD OF DIRECTORS. The Plan will be administered
by the Board of Directors of the Company (the "Board"). The Board shall have
authority to grant Options and to adopt, amend and repeal such administrative
rules, guidelines and practices relating to the Plan as it shall deem advisable
from time to time to interpret and correct the provisions of the Plan and any
Option. No member of the Board shall be liable for any action or determination
relating to the Plan. All decisions by the Board shall be made in the sole
discretion of the Board and shall be final and binding on all persons having or
claiming any interest in the Plan or in any Option.

         b. DELEGATION TO EXECUTIVE OFFICERS. To the extent permitted by
applicable law, the Board may delegate to one or more executive officers of the
Company the power to grant Options and exercise such other powers under the Plan
as the Board may determine, provided that the Board shall fix the maximum number
of shares subject to Options and the maximum number of shares for any one
Participant to be made by such executive officers.

         c. APPOINTMENT OF COMMITTEES. To the extent permitted by applicable
law, the Board may delegate any or all of its powers under the Plan to one or
more committees or subcommittees of the Board (a "Committee"). If and when the
Common Stock, $.008 par value per share, of the Company (the "Common Stock") is
registered under the Securities Exchange Act of 1934, as amended (the "Exchange
Act"), the Board shall appoint one such Committee of not less than two members,
each member of which shall be an "outside director" within the meaning of
Section 162(m) of the Code and a "non-employee director" as defined in Rule
16b-3 promulgated under the Exchange Act. All references in the Plan to the
"Board" shall mean a Committee or the Board or the executive officer referred to
in Section 3(b) to the extent of such delegation.

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4.       STOCK AVAILABLE FOR OPTIONS

         a. NUMBER OF SHARES. Subject to adjustment under Section 4(b), Options
may be granted under the Plan for up to 400,000 shares of Common Stock. If any
Option expires or is terminated, surrendered or canceled without having been
fully exercised, the unused Common Stock covered by such Option shall again be
available for the grant of Options under the Plan, subject, however, in the case
of Incentive Stock Options (as defined hereinafter) to any limitation required
under the Code. Shares issued under the Plan may consist in whole or in part of
authorized but unissued shares or treasury shares.

         b. ADJUSTMENT TO COMMON STOCK. In the event of any stock split, stock
dividend, recapitalization, reorganization, merger, consolidation, combination,
exchange of shares, liquidation, spin-off or other similar change in
capitalization or event, or any distribution to holders of Common Stock other
than a normal cash dividend, (i) the number and class of securities available
under this Plan and (ii) the number and class of security and exercise price per
share subject to each outstanding Option shall be appropriately adjusted by the
Company to the extent the Board shall determine, in good faith, that such an
adjustment is necessary and appropriate. If this Section 4(b) applies and
Section 6(e)(1) also applies to any event, Section 6(e)(1) shall be applicable
to such event, and this Section 4(b) shall not be applicable to such event.

5.       STOCK OPTIONS

         a. GENERAL. The Board may grant Options to purchase Common Stock and
determine the number of shares of Common Stock to be covered by each Option, the
exercise price of each Option and the conditions and limitations applicable to
the exercise of each Option, including conditions relating to applicable federal
or state securities laws, as it considers necessary or advisable. An Option
which is not intended to be an Incentive Stock Option (as hereinafter defined)
shall be designated a "Nonstatutory Stock Option".

         b. INCENTIVE STOCK OPTIONS. An Option that the Board intends to be an
"incentive stock option" as defined in Section 422 of the Code (an "Incentive
Stock Option") shall only be granted to employees of the Company and shall be
subject to and shall be construed consistently with the requirements of Section
422 of the Code. The Company shall have no liability to a Participant, or any
other party, if an Option (or any part thereof) which is intended to be an
Incentive Stock Option is not an Incentive Stock Option.

         c. EXERCISE PRICE. The Board shall establish the exercise price at the
time each Option is granted and specify it in the applicable option agreement.

         d. DURATION OF OPTIONS. Each Option shall be exercisable at such times
and subject to such terms and conditions as the Board may specify.

         e. EXERCISE OF OPTION. Options may be exercised only by delivery to the
Company of a written notice of exercise signed by the proper person together
with payment in full as specified in Section 5(f) for the number of shares for
which the Option is exercised.

         f. PAYMENT UPON EXERCISE. Common Stock purchased upon the exercise of
an Option granted under the Plan shall be paid for as follows:

            (1) in cash or by check, payable to the order of the Company;

            (2) except as the Board may otherwise provide with respect to an
Option, delivery of an irrevocable and unconditional undertaking by a
creditworthy broker to deliver promptly to the Company sufficient funds (in cash
or by check) to pay the exercise price, or delivery by the Participant to the
Company of a copy of irrevocable and unconditional instructions to a
creditworthy broker to deliver promptly to the Company sufficient funds (in cash
or by check) to pay the exercise price;

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            (3) to the extent permitted by the Board and explicitly provided in
the agreement evidencing the Option (i) by delivery of shares of Common Stock
owned by the Participant valued at their fair market value as determined by the
Board in good faith ("Fair Market Value"), which Common Stock was owned by the
Participant at least six months prior to such delivery, (ii) by delivery of a
promissory note of the Participant to the Company on terms determined by the
Board, or (iii) by payment of such other lawful consideration as the Board may
determine; or

            (4) any combination of the above permitted forms of payment.

6.       GENERAL PROVISIONS APPLICABLE TO OPTIONS

         a. TRANSFERABILITY OF OPTIONS. Except as the Board may otherwise
determine or provide with respect to an Option, Options shall not be sold,
assigned, transferred, pledged or otherwise encumbered by the person to whom
they are granted, either voluntarily or by operation of law, except by will or
the laws of descent and distribution, and, during the life of the Participant,
shall be exercisable only by the Participant. References to Participant, to the
extent relevant in the context, shall include references to authorized
transferees.

         b. DOCUMENTATION. Each Option under the Plan shall be evidenced by a
written instrument in such form as the Board shall determine. Each Option may
contain terms and conditions in addition to those set forth in the Plan.

         c. BOARD DISCRETION. The terms of each Option need not be identical,
and the Board need not treat Participants uniformly.

         d. TERMINATION OF STATUS. The Board shall determine the effect on an
Option of the disability, death, retirement, authorized leave of absence or
other change in the employment or other status of a Participant and the extent
to which, and the period during which, the Participant, the Participant's legal
representative, conservator, guardian or the beneficiary designated by a
Participant in the event of the Participant's death (the "Designated
Beneficiary") shall be entitled to exercise this Option. In the absence of an
effective designation by a Participant, Designated Beneficiary shall mean the
Participant's estate.

         e.       ACQUISITION EVENTS.

                  (1) CONSEQUENCES OF ACQUISITION EVENTS. Upon the occurrence of
an Acquisition Event (as defined below), or the execution by the Company of any
agreement with respect to an Acquisition Event, outstanding Options shall be
assumed, or equivalent options shall be substituted, by the acquiring or
succeeding corporation or an affiliate thereof (the "Acquiror"), provided that
any such Options substituted for Incentive Stock Options shall satisfy, in the
determination of the Board, the requirements of Section 424(a) of the Code and
the Acquiror has agreed to assume such Options or substitute equivalent options
therefor. If the Acquiror does not so agree, then the Board shall take one or
more of the following actions with respect to then outstanding Options: (i) upon
written notice to the Participants, provide that all then unexercised Options
will become exercisable in full as of a specified date (the "Acceleration Date")
prior to the Acquisition Event and will terminate immediately prior to the
consummation of such Acquisition Event, except to the extent exercised by the
Participants between the Acceleration Date and the consummation of such
Acquisition Event; or (ii) in the event of an Acquisition Event under the terms
of which holders of Common Stock will receive upon consummation thereof a cash
payment for each share of Common Stock surrendered pursuant to such Acquisition
Event (the "Acquisition Price"), provide that all outstanding Options shall
terminate upon consummation of such Acquisition Event and each Participant shall
receive, in exchange therefor, a cash payment equal to the amount (if any) by
which (A) the Acquisition Price multiplied by the number of shares of Common
Stock subject to such outstanding Options (whether or not then exercisable),
exceeds (B) the aggregate exercise price of such Options.

An "Acquisition Event" shall mean: (a) any merger or consolidation which results
in the voting securities of the Company outstanding immediately prior thereto
representing immediately thereafter (either by remaining

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outstanding or by being converted into voting securities of the surviving or
acquiring entity) less than 50% of the combined voting power of the voting
securities of the Company or such surviving or acquiring entity outstanding
immediately after such merger or consolidation; (b) any sale of all or
substantially all of the assets of the Company; or (c) the complete liquidation
of the Company.

                  (2) ASSUMPTION OF OPTIONS UPON CERTAIN EVENTS. The Board may
grant Options under the Plan in substitution for options and other stock-based
awards held by employees of another corporation who become employees of the
Company as a result of a merger or consolidation of the employing corporation
with the Company or the acquisition by the Company of property or stock of the
employing corporation. The substitute Options shall be granted on such terms and
conditions as the Board considers appropriate in the circumstances.

         (f) WITHHOLDING. Each Participant shall pay to the Company, or make
provision satisfactory to the Company for payment of, any taxes required by law
to be withheld in connection with such Participant's Option no later than the
date of the event creating the tax liability. The Board may allow Participants
to satisfy such tax obligations in whole or in part in shares of Common Stock,
including shares retained from the Option creating the tax obligation, valued at
their Fair Market Value. The Company may, to the extent permitted by law, deduct
any such tax obligations from any payment of any kind otherwise due to a
Participant.

         (g) AMENDMENT OF OPTION. The Board may amend, modify or terminate any
outstanding Option, including but not limited to substituting therefor another
Option, changing the date of exercise or converting an Incentive Stock Option to
a Nonstatutory Stock Option, provided that the Participant's consent to such
action shall be required unless the Board determines that the action, taking
into account any related action, would not materially and adversely affect the
Participant.

         (h) CONDITIONS ON DELIVERY OF STOCK. The Company will not be obligated
to deliver any shares of Common Stock pursuant to the Plan until (i) all
conditions of the Option have been met or removed to the satisfaction of the
Company, (ii) in the opinion of the Company's counsel, all other legal matters
in connection with the issuance and delivery of such shares have been satisfied,
including any applicable securities laws and any applicable stock exchange or
stock market rules and regulations, and (iii) the Participant has executed and
delivered to the Company such representations or agreements as the Company may
consider appropriate to satisfy the requirements of any applicable laws, rules
or regulations.

         (i) ACCELERATION. The Board may at any time provide that any Options
shall become immediately exercisable in full or in part.

7.       MISCELLANEOUS

         a. NO RIGHT TO EMPLOYMENT OR OTHER STATUS. No person shall have any
claim or right to be granted an Option, and the grant of an Option shall not be
construed as giving a Participant the right to continued employment or any other
relationship with the Company. The Company expressly reserves the right at any
time to dismiss or otherwise terminate its relationship with a Participant free
from any liability or claim under the Plan, except as expressly provided in the
applicable Option agreement.

         b. NO RIGHTS AS STOCKHOLDER. Subject to the provisions of the
applicable Option agreement, no Participant or Designated Beneficiary shall have
any rights as a stockholder with respect to any shares of Common Stock issuable
upon exercise of an Option until becoming the record holder thereof.

         c. EFFECTIVE DATE AND TERM OF PLAN. The Plan shall become effective on
the date on which it is adopted by the Board. No Options shall be granted under
the Plan after the completion of ten years from the earlier of (i) the date on
which the Plan was adopted by the Board or (ii) the date the Plan was approved
by the Company's stockholders, but Options previously granted may extend beyond
that date.

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         d. AMENDMENT OF PLAN. The Board may amend, suspend or terminate the
Plan or any portion thereof at any time, provided that no Option granted to a
Participant designated as subject to Section 162(m) by the Board after the date
of such amendment shall become exercisable to the extent that such amendment to
the Plan was required to grant such Option to a particular Participant, unless
and until such amendment shall have been approved by the Company's stockholders.

         e. GOVERNING LAW. The provisions of the Plan and all Options granted
hereunder shall be governed by and interpreted in accordance with the laws of
the State of Delaware, without regard to any applicable conflicts of law.Certain portions of this agreement and exhibits have been omitted and filed
separately with the United Sataes Securities and Exchange Commission pursuant
to a request for confidential treatment. The omitted portions have been
replaced by an * enclosed by brackets ([*]).

Translation

AGREEMENT FOR THE PURCHASE OF TELULAR FIXED TELEPHONY DIGITAL CELLULAR
TELEPHONES, AMONG RADIOMOVIL DIPSA, S.A. DE C.V., represented by Jesus Harada
Ozawa, hereinafter called "DIPSA", BRIGHTSTAR DE MEXICO S.A. DE C.V.,
represented by Diego Guillermo Lopez Carbajal, hereinafter called the
"SUPPLIER", and TELULAR CORPORATION, represented by Kenneth E. Millard,
hereinafter called the "Manufacturer", the parties agreeing to the following
recitals and clauses:

RECITALS

1.    The legal representative of DIPSA declares that:

      His principal is a business corporation organized under the laws of
      Mexico, with Federal Taxpayer Registry No. RDI-841003-QJ4, and its
      corporate purpose is, among other things, the installation, operation
      and exploitation of mobile cellular radiotelephony services.

      He evidences his capacity as legal representative of Radiomovil DIPSA,
      S.A. de C.V., with a certified copy of Public Deed No. 114779 dated
      October 3, 1997, before Notary Public No. 54, Homero Diaz Rodriguez of
      the Federal District.  He declares, under protest to tell the truth,
      that said power has not been revoked or limited in any way, and that he
      has sufficient powers to bind his principal pursuant to the terms of
      this agreement.

2.    The legal representative of the "SUPPLIER" declares that:

      His principal is a business corporation organized under the laws of
      Mexico, with Federal Taxpayer Registry No. BME-991012-1F9, and its
      corporate purpose is, among other things, the purchase, sale,
      distribution, importation and exportation of telecommunications and
      similar devices.

      He evidences his capacity as legal representative of Brightstar de
      Mexico, S.A. de C.V., with a certified copy of Public Deed No. 83964
      dated March 29, 2000, before Notary Public No. 89 of the Federal
      District, Gerardo Correa Etchegaray, and, under protest to tell the
      truth, declares that said power has not been revoked or limited in any
      way, and he has sufficient powers to bind his principal pursuant to the
      terms of this Agreement.

3.    The legal representative of the "MANUFACTURER" declares that:

      His principal is a business corporation organized under the laws of
      Delaware, United States of America, with Employer Identification No.
      36-3885440, and its corporate purpose is, among other things, the
      manufacturing of cellular radiotelephony equipment.

      He has sufficient power to bind his principal pursuant to the terms of
      this agreement in accordance with applicable U.S. law by virtue of his
      position as President and Chief Executive Officer of said company.  He
      declares, under protest to tell the truth, that said power has not been
      revoked or limited in any way affecting the validity of his principal's
      obligations under this agreement.

The parties agree to the following clauses and exhibits:

I.    Commercial terms and conditions

       First Clause            Purpose
       Second Clause           Prices
       Third Clause            Form and Terms of Payment
       Fourth Clause           Form and Terms of Delivery
       Fifth Clause            Monetary Compensation
       Sixth Clause            Warranties
       Seventh Clause          Insurance
       Eighth Clause           Transportation and Storage

II.   Training

       Ninth Clause            Training

III.  Obligations

       Tenth Clause            Obligations of DIPSA
       Eleventh Clause         Obligations of SUPPLIER
       Twelfth Clause          Obligations of MANUFACTURER

IV.   General Terms

       Thirteenth Clause       General
       Fourteenth Clause       Force Majeure
       Fifteenth Clause        Limitation of Liability
       Sixteenth Clause        Termination of Agreement
       Seventeenth Clause      Correspondence
       Eighteenth Clause       Jurisdiction and Competent Courts
       Nineteenth Clause       Powers of Legal Representatives

      Exhibits

       Exhibit 1               Technical Description of
                               Telular Model Phonecell
                               SX4D TDMA-800 Voice
                               Deskphone

       Exhibit 2               DIPSA Purchase Order to
                               SUPPLIER

SECTION I.	COMMERCIAL TERMS AND CONDITIONS

FIRST CLAUSE.  PURPOSE

The MANUFACTURER sells to SUPPLIER, SUPPLIER purchases from MANUFACTURER,
SUPPLIER sells to DIPSA and DIPSA purchases from the SUPPLIER, pursuant to
the terms and conditions set forth herein, [*] Telular Model PHONECELL SX4D
TDMA-800 VOICE DESKPHONE fixed telephony digital cellular telephones, listed
in Purchase Order No. 7200032442 dated September 13, 2000, the technical
description of which is contained in Exhibit 1, which forms an integral
part hereof.

DIPSA may order and purchase additional telephones at the volume agreed
herein at any time according to its needs by means of documentation (purchase
orders) agreed among the parties.

SECOND CLAUSE.  PRICES

The unit price agreed for the purchase of the fixed digital cellular
telephones by SUPPLIER from MANUFACTURER will be [*] FOB Vernon Hills,
Illinois, U.S.A.

The unit price agreed for the purchase of the fixed digital cellular
telephones by DIPSA from SUPPLIER will be [*] placed in the Telcel
warehouses, plus value added tax.  The above-mentioned price is itemized
in the purchase order attached in Exhibit 2, which forms an integral
part hereof.

The MANUFACTURER undertakes to reduce its sales price for the Telular Model
SX4D TDMA-800 VOICE DESKPHONE fixed digital cellular telephones purchased
hereunder by the SUPPLIER, and the SUPPLIER undertakes to reduce its sales
price for said telephones purchased hereunder by DIPSA, at the same time and
in the same amount as the component manufacturer Ericsson reduces the sales
cost in the future of the DM10 transceiver below the initial cost for said
transceiver negotiated by Telular Corporation as of the signing of this
agreement.

The unit prices established above were calculated based on a total [*]
being delivered to DIPSA over twelve months as scheduled pursuant to the
Fourth Clause.  DIPSA shall be entitled to purchase additional units under
the same terms and conditions set forth in this agreement if DIPSA provides
MANUFACTURER written notice and an appropriate purchase order (i) within
fifteen (15) months from the entry into effect of this agreement and (ii) at
least four (4) months in advance of the requested delivery by MANUFACTURER of
the additional units.

The MANUFACTURER warrants to SUPPLIER and SUPPLIER warrants to DIPSA that the
prices given are the best in the market, and such prices will never be higher
than those offered to other customers or distributors, under similar
circumstances and conditions and in similar volumes.  On the contrary, and in
order to protect DIPSA, the prices assigned by SUPPLIER to DIPSA shall be
least ten dollars below the price at which SUPPLIER sells to its
distributors.  Otherwise, SUPPLIER shall compensate the resulting difference
in favor of DIPSA, in accordance with the applicable purchase orders.

THIRD CLAUSE.  FORM AND TERMS OF PAYMENT

The price of the telephones hereunder shall be paid in accordance with the
following:

SUPPLIER shall pay MANUFACTURER in full for each shipment of the fixed
digital cellular telephones prior to shipping, immediately upon presentation
of appropriate shipping documents issued to a freight forwarder evidencing
MANUFACTURER's instructions to make such shipment to SUPPLIER or by
irrevocable letter of credit payable in 30 days. MANUFACTURER shall ship to
SUPPLIER upon receipt of payment from SUPPLIER. MANUFACTURER will provide
SUPPLIER a .0667% discount for payments made prior to shipments.

DIPSA shall pay SUPPLIER one hundred percent (100%) of the price of each
shipment within thirty (30) days from the date of a shipment upon delivery of
corresponding invoices and evidentiary documentation, provided that SUPPLIER
supplies DIPSA a bill of lading evidencing that the shipment of telephones
purchased by DIPSA is in Mexico and document evidencing that MANUFACTURER has
been paid for said shipment.

Prices will be in the legal currency of the United States of America
(hereinafter, for the sake of brevity, indistinctly "Dollars" or "USD").
SUPPLIER will pay MANUFACTURER only in USD. DIPSA shall pay SUPPLIER in USD.
However, DIPSA may pay SUPPLIER in Mexican currency according to the exchange
rate for obligations denominated in foreign currency payable in Mexico,
published by the Bank of Mexico in the Official Diary of the Federation on
the effective date of payment.

SUPPLIER will place One Million and no/100 U.S. Dollars (USD1,000,000.00) on
deposit with MANUFACTURER to secure SUPPLIER's and DIPSA's performance under
this agreement.  The entire One Million and no/100 U.S. Dollars
(USD1,000,000.00) will remain on deposit until payment is made to
MANUFACTURER in full for the first [*] telephones purchased by SUPPLIER
pursuant to this agreement, and if fewer than [*] telephones are paid for
by SUPPLIER for any reason other than MANUFACTURER's breach, SUPPLIER shall
forfeit all rights to the amount of said deposit to MANUFACTURER.  Following
receipt of payment to MANUFACTURER [*] telephones, MANUFACTURER shall return
to SUPPLIER Ten U.S. Dollars (USD10.00) from the deposit for each of the
following [*] telephones paid for by SUPPLIER pursuant to this agreement.
MANUFACTURER shall retain all other rights to the deposit until it is paid
in full for the [*] telephones purchased pursuant to this agreement, and the
entire deposit will only be returned to SUPPLIER upon such final payment.
The deposit will accrue 8% simple interest which will only become due upon
return of the entire deposit to SUPPLIER.

Such payment terms shall apply to additional purchases of Telular telephones
confirmed by purchase order from DIPSA if expressly accepted by MANUFACTURER
and SUPPLIER.

FOURTH CLAUSE.  FORM AND TERMS OF DELIVERY

1. The fixed digital cellular telephones which are the subject of this
Agreement shall be delivered to DIPSA through SUPPLIER in accordance with all
terms contained in the purchase order.

2. The delivery time for the telephones to DIPSA shall be monthly as
specified in the following chart and in accordance with the specifications
contained in the purchase order which forms an integral part hereof.

        Number of units to be delivered         Delivery Date

                     [*]                        November 2000
                     [*]                        December 2000
                     [*]                        January 2001
                     [*]                        February 2001
                     [*]                        March 2001
                     [*]                        April 2001
                     [*]                        May 2001
                     [*]                        June 2001
                     [*]                        July 2001
                     [*]                        August 2001
                     [*]                        September 2001
                     [*]                        October 2001
                     [*]                        GRAND TOTAL

In the event of lower than expected market acceptance of the telephones,
DIPSA shall be entitled to extend deliveries through December 2001, provided
it provides manufacturer four (4) months written notice of its intention to
do so.

In the event of unjustified delay or failure to deliver at least eighty
percent (80%) of the telephones specified above by of the MANUFACTURER or the
SUPPLIER, the penalties set forth in the Fifth Clause hereof will be applied
to relevant party or parties.

3. DIPSA may make additional telephone purchases, confirming to the
SUPPLIER and MANUFACTURER by means of a purchase order and new agreement that
must be acceptable to the SUPPLIER and MANUFACTURER.

4. The SUPPLIER undertakes to replace within thirty (30) days any
telephones missing from shipments not delivered in full.

5.	In the event of delays in delivery by the MANUFACTURER and/or SUPPLIER,
regardless of any penalties to which it may be subject due to such non-
performance, the relevant party shall channel all its human and economic
resources to resolve the problem as soon as practicable.

6. The MANUFACTURER warrants that the telephones delivered shall be free
of manufacturing defects and defects in materials and workmanship and the
SUPPLIER warrants that the serial numbers (SN) shown on the cases contain the
same "SN" as the units of equipment, otherwise DIPSA may choose from the
following two options:

A)	Hire human resources to review and correct any programming or labeling
errors detected, passing the cost on to SUPPLIER and MANUFACTURER in
accordance with their respective responsibility.

B)      Return the equipment lot immediately if it is not sure that the
equipment arrived correctly packaged, having detected any error in origin,
without any liability to DIPSA, all in accordance with the Sixth Clause below.

7.	All expenses incurred in importing the units shall be borne by the
SUPPLIER.

8.      This Agreement may not be cancelled or modified without the express
written consent of all parties.

FIFTH CLAUSE.  MONETARY COMPENSATION

1. In the event that there are delays in delivering the telephones
covered hereunder for more than twenty (20) days, due to causes attributable
to the SUPPLIER or MANUFACTURER, a penalty equivalent to one dollar per each
unit not delivered will be applied for each day of delay in delivery.  Such
penalty shall be attributed between the SUPPLIER and MANUFACTURER in
accordance with their respective responsibility for the relevant delay,
provided that MANUFACTURER's performance shall be considered complete when
the telephones are available for shipping FOB Vernon Hills, Illinois, USA.
Such penalty shall not exceed four percent (4%) of the price pursuant to this
agreement of the affected telephones.

The monetary compensation mentioned in the preceding point will be paid by
the SUPPLIER to DIPSA at the time of payment of the corresponding invoice.

2.	Payment of penalty interest for late payment of invoices

The SUPPLIER grants an additional period of five (5) calendar days after the
thirty (30) calendar days set forth in the agreement, for which interest will
not apply to outstanding invoices of DIPSA during the thirty-five (35) days
after presentation of the invoice.

Without waiving any other legal and contractual rights and remedies to which
they are entitled, the SUPPLIER and MANUFACTURER reserve the right to suspend
shipment of the devices in the event of default in payment.

SIXTH CLAUSE.  WARRANTIES

MANUFACTURER warrants that the Telular cellular telephone Model SX4D TDMA-800
VOICE DESKPHONE telephones delivered pursuant to this agreement will be free
of manufacturing defects and defects in materials and workmanship.  This
warranty will be valid for a period of 12 months from the date of delivery to
the final consumer or fifteen (15) months from the date of shipment,
whichever is less.  Accordingly, MANUFACTURER warrants this product for all
parts and labor for any manufacturing defect upon delivery to the final
consumer.

The warranty shall apply as follows:

REPLACEMENT WITH NEW UNITS

All new cellular telephones submitted by the customer under the warranty less
than 15 days from the time it is received by DIPSA and with less than 60
minutes of use (internal counter) shall be exchanged on an express basis, in
other words, as soon as practicable, physical exchange for a new unit, for
which SUPPLIER shall maintain a stock of new equipment of 500 units.  Such
units will be provided by the MANUFACTURER. MANUFACTURER shall hold title in
all units that are not consumed by DIPSA in the discharge of MAUNUFACTURER's
warranty obligation hereunder.

DIPSA shall be responsible for the transportation (including related
insurance) of all non-functioning equipment to SUPPLIER in Mexico City.
SUPPLIER shall be responsible for the transportation (including related
insurance) required to deliver replacement equipment to DIPSA at one of the
nine (9) DIPSA distribution centers located within the Republic of Mexico.
MANUFACTURER shall pay SUPPLIER Two United States Dollars and no/100
(USD2.00) plus actual SUPPLIER's transportation, importation and related
insurance costs per telephone unit replaced, based on actual cost as
evidenced by invoices, for managing and replacing such telephone units.

EQUIPMENT REPAIR

The MANUFACTURER undertakes to repair, for its own account, telephones
submitted by the user under warranty for telephones that do not function
properly.  If the claim exceeds the term of 10 days following the purchase or
activation, the MANUFACTURER shall repair the equipment immediately and may
not exceed ten (10) business days from the time the equipment is received for
such repair, after MANUFACTURER or its representative receives the damaged
equipment. Any repair not covered by the warranty shall be charged to the
customer.  DIPSA must transport equipment requiring repair to a location
designated by MANUFACTURER, and MANUFACTURER will be responsible for
transportation (and related insurance) costs required to return the repaired
equipment back to one of the nine (9)  DIPSA distribution centers in Mexico.

SEVENTH CLAUSE.  INSURANCE

All insurance-related procedures and expenses will be paid by the SUPPLIER
until delivery to the warehouses of DIPSA.

EIGHTH CLAUSE.  TRANSPORTATION AND STORAGE

1. Transportation Terms:  All expenses for transportation of the
telephones covered hereunder from the place of origin to the place of
delivery to the DIPSA warehouses shall be paid by the SUPPLIER, as set forth
in its purchase order, which is an integral hereof.

SECTION II.  TRAINING

NINTH CLAUSE.  TRAINING

The MANUFACTURER undertakes to offer once a month for a period of six months
a technical course for ten persons and technical service for each of the
different departments of the company in order for the company to provide
telephone repair service according to the level considered by Telular
Corporation.

These courses will be given at the facilities of DIPSA in Mexico City.

The SUPPLIER must provide said courses on the dates agreed by the parties,
which must be given at no cost by highly skilled personnel.

SECTION III.   OBLIGATIONS

TENTH CLAUSE.  OBLIGATIONS OF DIPSA

The obligations of DIPSA are:

1.	Comply with each and every one of the obligations it assumes hereunder.

2. Accept all [*] contracted units.

3.	Pay the SUPPLIER within the term indicated in the Third Clause and in
accordance with the amounts set forth in the purchase order that forms an
integral part hereof.

4.	Comply with all the terms of this Agreement.

5.	Use its best efforts as agreed among the parties to improve marketing
efforts in the event market acceptance of the telephones is less than
expected.

ELEVENTH CLAUSE.  OBLIGATIONS OF THE SUPPLIER

The obligations of the SUPPLIER are:

1. Promptly deliver at the agreed times and form, the Telular SX4D
TDMA-800 VOICE DESKPHONE cellular telephones in accordance with the order
specifications which form an integral part hereof.  If there is a delay, the
penalties set forth in the Fifth Clause will be applied.

2.	Deliver to DIPSA the telephones covered hereunder, in the terms and
conditions set fourth in the Fourth Clause.

3. Pay MANUFACTURER for the telephones covered hereunder, in the terms
and conditions set fourth in the Third Clause.

4. Confirm the performance of the telephones before the applicable
authorities and secure the Norma Oficial Mexicana (NOM) (for which it will
be reimbursed by MANUFACTURER for related expenses of not more than Three
Thousand United States Dollars and no/100 (USD3000.00)).

5.	Comply with all the terms of this Agreement.

6.	Use its best efforts as agreed among the parties to improve marketing
efforts in the event market acceptance of the telephones is less than
expected.

TWELFTH CLAUSE.  OBLIGATIONS OF MANUFACTURER

The obligations of MANUFACTURER are:

1.	Comply with each and every one of the obligations it assumes hereunder.

2. Manufacture all [*] contracted units.

3. Deliver to the SUPPLIER the contracted units in accordance with the
terms and conditions indicated in the Fourth Clause.

4.	Comply with all the terms of this Agreement.

5.	Use its best efforts as agreed among the parties to improve marketing
efforts in the event market acceptance of the telephones is less than
expected.

6.	Provide SUPPLIER with all technical information necessary, including
manuals, to enable SUPPLIER to secure the NOM and confirm the performance of
the telephones with applicable authorities.

SECTION IV.  GENERAL TERMS

THIRTEENTH CLAUSE.  GENERAL

1.	Contracts with Third Parties

The SUPPLIER and/or MANUFACTURER may enter into agreements with third parties
with the knowledge and express authorization of DIPSA, whether legal or
natural persons, for the delivery of Telular telephones.  Said authorization
shall not contravene the timely delivery of the telephones, but it will be
directly responsible to DIPSA for telephone quality.  This circumstance may
not be utilized or made an exception as a reason for evading compliance with
the warranties and/or monetary penalties set forth herein.

2.	Contract Administration

Immediately after the signing of this Agreement, each party shall designate
its authorized representatives in writing, who shall be authorized to sign
the correspondence relating to the Agreement and the execution thereof.  The
representatives shall not have the power to agree to changes in the
Agreement.  At the request of either of the parties hereto, the
representatives shall do what is necessary to hold review meetings.

3.	Civil Liability

The SUPPLIER and MANUFACTURER, upon delivery to the site of the telephones
which are the subject hereof, shall be released from any liability to DIPSA
or third parties, with respect to persons and/or property, due to accidents
or claims as a result of the operation and/or handling of the telephones.

4.	Signature Identification.

This Agreement must be signed on all pages hereof as proof of validation by
the legal representatives of DIPSA, MANUFACTURER and the SUPPLIER.

5.	Compliance with Laws

Neither SUPPLIER nor DIPSA will use any payment or other benefit derived from
MANUFACTURER to offer, promise or pay any money, gift or any other thing of
value to any person for the purpose of influencing official actions or
decisions affecting this agreement, while knowing or having reason to know
that any portion of this money, gift or thing will, directly or indirectly,
be given, offered or promised to (i) an employee, officer or other person
acting in an official capacity for any government or its instrumentalities or
(ii) any political party, party official or candidate for political office.

FOURTEENTH CLAUSE.  FORCE MAJEURE

Neither of the parties shall be deemed liable nor shall be subject to any
penalties due to the non-performance or delay in performing its obligations
hereunder, if said non-performance or delay is due to fortuitous events or
events of force majeure such as strikes, war, hostilities, civil unrest or
riots, fire, cataclysm or, in general, any cause beyond the control of either
party and not caused by said parties.

In such case, the affected party shall notify the other party within fifteen
(15) calendar days following the event, with all the information available
with respect thereto, to the extent that circumstances permit it.

The term of the Agreement shall be extended for the time necessary to
compensate for the delay caused by the event of force majeure in accordance
with the provisions of this Agreement.

FIFTEENTH CLAUSE.  LIMITATION OF LIABILITY

The liability of either of the companies to pay the other indemnification for
non-performance of the Agreement shall be with respect to the result of such
non-performance, without exceeding the total value of the non-performance of
the Agreement.

None of the parties hereto may take any action as a result of non-performance
of this Agreement or of any of the obligations hereunder after an additional
two (2) years from the time the cause of action occurred.

SIXTEENTH CLAUSE.  TERMINATION OF THE AGREEMENT

A)	None of the parties may terminate this agreement early for any reason
without the express written consent of all other parties.  The agreement
shall be considered to be terminated when the MANUFACTURER delivers to
SUPPLIER and SUPPLIER delivers to DIPSA the last unit of the [*] contracted
hereunder and when they have been paid for.

B) The agreement may be extended as the telephones are sold by DIPSA,
upon terms agreeable to all of the parties.

SEVENTEENTH CLAUSE.  NOTICES

For purposes of this Agreement, the parties indicate the following as their
domiciles:

For RADIO MOVIL DIPSA, S.A. DE C.V.    For BRIGHTSTAR DE MEXICO, S.A. DE C.V.
(DIPSA):                               (SUPPLIER):

RADIOMOVIL DIPSA, S.A. DE C.V.         BRIGHTSTAR DE MEXICO, S.A. DE C.V.
Lago Alberto No. 366                   Av. Industria No 35 Col. San Pablo Xalpa
Col. Anahuac, C.P. 11320               Col. San Pablo Xalpa
Mexico, D.F.                           C.P. 54170 Tlalnepantla Edo. De Mexico

For TELULAR CORPORATION
(MANUFACTURER):

TELULAR CORPORATION
647 N. Lakeview Parkway
Vernon Hills, IL  60061
U.S.A

The above-mentioned addresses are understood to be for purposes of
notification and communication solely and exclusively with respect to this
Agreement.

EIGHTEENTH CLAUSE.  JURISDICTION AND COURTS

For the interpretation and performance of this Agreement, the parties submit
themselves to the jurisdiction and competence of the courts of Mexico City,
D.F., which shall be solely competent to resolve any dispute arising between
the parties, who waive any forum that may correspond to them by reason of
their present or future domiciles, declaring henceforth that their respective
domiciles are as indicated in the immediately preceding clause.

NINETEENTH CLAUSE.  POWERS OF THE LEGAL REPRESENTATIVES

DIPSA declares that its legal representative has sufficient powers to sign
this agreement, which powers to date have not been revoked, restricted or in
any way limited.

The SUPPLIER declares that its legal representative has sufficient powers to
sign this agreement, which powers to date have not been revoked, restricted
or in any way limited.

The MANUFACTURER declares that its legal representative has sufficient powers
to sign this agreement, which powers to date have not been revoked,
restricted or in any way limited.

This Agreement is read, signed and ratified in duplicate in Mexico, D.F., on
September 13, 2000, as the true expression of their will and does not contain
any provisions to the contrary, representing fraud, injury or bad faith with
respect to the parties.

For RADIO MOVIL DIPSA, S.A. DE C.V.:   For BRIGHTSTAR DE MEXICO, S.A. DE C.V.:

RADIOMOVIL DIPSA, S.A. DE C.V.         BRIGHTSTAR DE MEXICO, S.A. DE C.V.
Lago Alberto No. 366                   Av. Industria No 35
Col. Anahuac, C.P. 11320               Col. San Pablo Xalpa C.P. 54170
Mexico, D.F.                           Tlalnepantla Edo. De Mexico

JESUS HARADA OZAWA                     DIEGO GUILLERMO LOPEZ CARBAJAL
Legal Representative                   Legal Representative

For TELULAR CORPORATION
(MANUFACTURER):

TELULAR CORPORATION
647 N. Lakeview Parkway
Vernon Hills, IL  60061
U.S.A

KENNETH E. MILLARD
President and Chief Executive Officer

WITNESSES

JOSE MORALES DUARTE
Purchase Manager
RADIOMOVIL DIPSA, S.A. DE C.V.

EXHIBIT 1
Technical Description of Telular Model Phonecell SX4D TDMA-800 Voice Deskphone
          [*]

EXHIBIT 2
DIPSA Purchase Order to SUPPLIER

TELCEL M.R.                Vendor Code       511863              Ship Via
Digital PCS                Vendor Address                        FOB Vendor

Lago Alberto No. 366       Brightstar De Mexico, S.A. De C.V.
Col. Anahuac, C.P. 11320   Av. Industria #35                     Conditions
Mexico D.F.                San Pablo Xalpa
                           Tlanepantla                           According to
                           MX                                    Contract
                           C.P. 54170
                           Tel: 5333 9260                        Consign to:

                                                                 According to
                                                                 clause in
                                                                 Contract

                                                                 Warehouse
                                                                 goods to be
                                                                 delivered to
                                                                 (Optional
                                                                 invoice to:)
                                                                 See detailed
                                                                 order

                                                                 Payment Terms

                                                                 Special
                                                                 conditions
                                                                 verified in
                                                                 the order

                                                                 (From receipt
                                                                 of documents)

                           Quotation's
Purchase Order             Numbers Dated  Month  Day  Year
7200032442
                    Page
Month Day Year      Number                                       Observations
   09.13.2000       1 of 2  Purchase Order Number Must Be
                            Mentioned On All Correspondence      Modification
Requisition Number  Buyer   Documents And Packing                No 407
See detailed         020
position in order
                                                                  Net    Net
      Requisition/                                               Unit   Total
Item  Material No.  Description  Mth  Day  Year  Quantity  Unit  Price  Price
00010      /        Telular      10   01   2000    [*]     Pcs    [*]    [*]
        /7000127    Phonecell
        TLR00001
                    Cellular Equipment Telular Brand Phonecell SX4D
                    TDMA Deskphone Model
                    Includes:

                       1 One Desktop Cellular Telephone
                       Handset
                       Antenna And/Or Adapter
                       Power Supply And/Or Adapter
                       OTAF Function
                       Programming
                       Telcel Design Packaging
                       Distribution To Regions
                       Express Exchange Stock
                       12 Month Warranty
                       Manual In Spanish

Purchase Order  7200032442
Page Number     2 of 2

Modification # 407
Article description is modified as it does not include backup battery

Telular brand cellular equipment phoncell SX4D TDMA-800 Deskphone model.
The detailed description of the equipment is specified in attachment 1 of the
contract signed between Telular Corporation and Radiomovil Dipsa S.A. De C.V.

Requestor:Regions 01 to 09

By accepting the order, the provider accepts all of the conditions set forth
in the contract.

Payment Terms
According to contract

Delivery Schedule
According to clause four of the contract

Warranty
According to the contract

Notes

  This purchase order is subject to the clauses and attachments to the
  contract signed between Telular Corporation, Brightstar S.A. De C.V.
  and Radiomovil Dipsa S.A. De C.V.

  Payment will be made according to the exchange rate of the day prior to
  payment (Official Federal Newspaper)[(Diario Oficial De La Federacion)]

  As Telcel's policy, the supplier shall invoice in the currency in which
  this order is made.

Any notations after this line are null

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