Document:

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                                                                 EXHIBIT 10.8

                                  Attachment 5

                           SOFTWARE LICENSE AGREEMENT

                         interWAVE COMMUNICATIONS, INC.

                                        &

                          BLUE SKY COMMUNICATIONS, INC.

         This Software License Agreement (hereinafter referred to as
"Agreement") is made and entered into as of the 27th day of September 2000
(hereinafter referred to as "Effective Date"), between the parties, interWAVE
Communications, Inc., a company incorporated under the laws of Delaware, whose
registered office is 312 Constitution Drive, Menlo Park, CA 94025, (herein
referred to as "LICENSOR") and Blue Sky Communications, Inc., a company duly
incorporated in Georgia, and having its registered office at 100 North Point
Center East, Suite 300, Alpharetta, GA 30022 (hereinafter referred to as
"LICENSEE").

                                    RECITALS

         WHEREAS, LICENSOR is a manufacturer and supplier of telecommunications
equipment and related Software Products and has developed certain software,
know-how and secret and confidential information relating thereto;

         WHEREAS, LICENSOR and LICENSEE have entered into that Master GSM
Products Supply Agreement of even date herewith, pursuant to which LICENSOR has
agreed to furnish certain telecommunications equipment, software, services and
products to LICENSEE (the " Supply Agreement");

         WHEREAS, LICENSEE desires to use LICENSOR's Software Products for use
with equipment approved by LICENSOR,

         NOW, THEREFORE, in consideration of the covenants, terms and conditions
hereinafter set forth, the parties agree as follows:

                                    SECTION 1

                                   DEFINITIONS

         1.1  "Software Product" means the computer programs identified by
Software Product name in Schedule A, together with all related Documentation,
Updates and Releases. LICENSOR may amend Schedule A from time to time by issuing
new price lists, to delete discontinued Software Products, to add new Software
Products, or to otherwise change Schedule A, subject to the conditions on price
increases stated in the Supply Agreement, paragraph 2.2.

         1.2  "Single Machine Use" means use of a Software Product only on a
single Designated Machine.

         1.3  "Update" means any corrections or modifications, issued by
LICENSOR for a Software Product and identified by LICENSOR as an "Update" in
accordance with LICENSOR's procedure for software identification.

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         1.4  "Release" means any new releases or new versions issued by
LICENSOR for a Software Product and identified by LICENSOR as a "Release" in
accordance with LICENSOR's procedure for software identification.

         1.5  "Designated Machine" means a machine marketed directly by
LICENSOR or indirectly by others with the approval of LICENSOR and on which the
Software Products are identified for use.

         1.6  "Designated Site" means the building location housing a
Designated Machine connected in a LICENSEE's Network.

         1.7  All other capitalized terms used herein shall have the same
meaning as ascribed to them in the Supply Agreement.

                                    SECTION 2

                                SOFTWARE LICENSE

         LICENSOR hereby grants to LICENSEE a personal non-exclusive,
non-transferable (except as provided in Section 3.2) revocable license for the
Single Machine Use of Software Products for which the single machine use fee has
been paid for LICENSEE's own internal business purposes. For each unit of
Software Product licensed hereunder, LICENSOR shall designate in writing to
LICENSEE the Equipment upon, or in, which such Software Product is to be used.

                                    SECTION 3

                      SOFTWARE RESTRICTIONS AND LIMITATIONS

         3.1  This Agreement, the Software Products and any licenses and
rights granted hereunder may not be sold, leased, assigned, sublicensed or
otherwise transferred, in whole or in part, by LICENSEE except as provided in
Section 3.2 below.

         3.2  LICENSEE may relocate any Designated Machine, provided
LICENSEE promptly informs LICENSOR in writing of the subsequent location. If
such location is outside the country for which the original license was granted,
the LICENSEE must obtain approval from the LICENSOR and, if required, the
relevant U.S. Government Export Agency regarding such relocation.

         3.3  LICENSEE may make and maintain a single backup copy of a
Software Product during the term of this Agreement, provided that LICENSEE shall
reproduce all copyright, trademark, confidential or other proprietary notices
appearing thereon or contained therein.

         3.4  LICENSEE shall not disassemble, de-compile or reverse engineer
any Software Product in any form or manner and, except as provided in Section
3.3, LICENSEE shall not duplicate any Software Product. Interface information
necessary to achieve interoperability with the Software Product is available
upon written request to LICENSOR and payment of any then current administration
fee. There is no fee for interoperability information for Nortel equipment at
the time of the making of this license.

         3.5  LICENSEE shall hold the Software Products in confidence and
shall not disclose the Software Products to any person other than employees,
contractors or consultants of LICENSEE for purposes specifically related to
LICENSEE's licensed use of the Software Products. LICENSEE shall take
appropriate steps by instruction, agreement, or otherwise to prevent
unauthorized disclosure by its officers, agents, employees, contractors or
consultants.

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                                    SECTION 4

                            SOFTWARE FEES AND PAYMENT

         4.1  Software Products delivered to LICENSEE by LICENSOR become
licensed under this Agreement when the applicable license fee has been paid.
LICENSOR reserves the right to change its fees for Software Products, subject to
the conditions on price increases stated in the Supply Agreement, paragraph 2.2.

 .

         4.2  Payments under this agreement are due net thirty (30) days
from the date of receipt of the Seller's invoice, as provided in the Supply
Agreement, paragraph 7.1.

                                    SECTION 5

                                SOFTWARE WARRANTY

         5.1  LICENSOR warrants that:

              (i)  Software Products licensed under this Agreement will
                   perform in all material respects in accordance with the
                   then-current published documentation for a period of
                   twelve (12) months from the date of product compliance for
                   the Products purchased by Purchaser, hereinafter referred
                   to as "Warranty Period", and

              (ii) all firmware and Software provided by Licensor under the
                   Supply Agreement shall cause the Equipment and Products to
                   perform in accordance with Specifications.

         5.2  During the Warranty Period, LICENSOR shall take all reasonable
steps without charge to correct errors or defects in any Software Product and
all corrections for errors or defects shall, at LICENSOR's election, be provided
by LICENSOR to LICENSEE directly and incorporated in subsequent Updates from
LICENSOR. This claim, 5.2 shall constitute LICENSOR's sole obligation and
LICENSEE's sole remedy for breach of the warranty in Section 5.1.

         5.3  Any modifications or alteration of a Software Product without
the approval of LICENSOR shall void LICENSOR's obligations under this Section 5
unless and until the Software Product is returned to its unaltered state.

         5.4  LICENSOR does not warrant that the Software Products will meet
LICENSEE's requirements. LICENSOR does not warrant that the operation of the
Software Products will be uninterrupted or error free.

         5.5      The provisions of Article 6 of the Supply Agreement are
incorporated by reference herein.

         5.6  THE WARRANTIES SET FORTH IN THIS SECTION 5 ARE,
NOTWITHSTANDING ANY PROVISIONS IN THE SUPPLY AGREEMENT TO THE CONTRARY, IN
ADDITION TO THE WARRANTIES PROVIDED IN THE SUPPLY AGREEMENT, AND ARE LIMITED BY
THE LIMITATIONS IN THE SUPPLY AGREEMENT. THE WARRANTIES IN THE SUPPLY AGREEMENT
REGARDING SOFTWARE PRODUCTS AND THE WARRANTIES IN THIS AGREEMENT CONSTITUTE THE
ONLY WARRANTIES WITH RESPECT TO ANY SOFTWARE PRODUCT. THEY ARE IN LIEU OF ALL
OTHER WARRANTIES, CONDITIONS OR OTHER TERMS, WRITTEN OR ORAL, STATUTORY, EXPRESS
OR IMPLIED, INCLUDING WITHOUT LIMITATION THE WARRANTY OF MERCHANTABILITY AND THE

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WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE, ALL OF WHICH ARE EXPRESSLY
EXCLUDED.

                                    SECTION 6

                     INTELLECTUAL PROPERTY RIGHTS AND AUDIT

         6.1  The Software Products are protected by copyright, trade secret
and other rights. Except for the limited rights set out in Section 2, LICENSEE
is receiving no title or other interest in the Software Products all of which
shall remain vested in LICENSOR.

         6.2  Subject to ten days prior written notice LICENSEE shall
permit the LICENSOR, or its authorized representatives reasonable access to any
machine where the software is stored, for the purpose of enabling LICENSOR to
audit the LICENSEE's use of the Software Product, provided that such access does
not interfere with the conduct of LICENSEE's business. LICENSEE shall, at not
cost to LICENSOR provide forthwith such assistance as LICENSOR may reasonably
require to enable LICENSOR or its authorized representatives to audit LICENSEE's
use of the Software.

                                   SECTION 7

                                  INFRINGEMENT

         7.1  INFRINGEMENT. Sections 10.3 through 10.6 of the Supply Agreement
are incorporated by reference herein.

         7.2  NON-STANDARD SOFTWARE PRODUCTS OR USES. LICENSOR shall not be
obligated to defend any suit or proceeding, or otherwise take any action, or
be liable for any costs or damages, if the infringement arises out of (i)
compliance with LICENSEE's instructions or specifications or any marking or
branding applied at the request of LICENSEE, (ii) modification of Software
Products other than by LICENSOR or not in accordance with LICENSOR's written
instructions, (iii) use of Software Products for other than the purposes for
which they were designed, or (iv) use of a release other than any of
LICENSOR's releases during the past two years of the Software Product.

                                    SECTION 8

                            LIMITATIONS OF LIABILITY

         LICENSOR SHALL IN NO EVENT HAVE OBLIGATIONS OR LIABILITIES TO LICENSEE
OR ANY OTHER PERSON IN CONTRACT TORT OR OTHERWISE, FOR CONSEQUENTIAL LOSS OR
DAMAGE, HOWSOEVER ARISING. THIS SHALL INCLUDE WITHOUT LIMITATION, LOSS OF
PROFITS, LOSS OF USE, LOSS OF DATA, LOSS OF OPPORTUNITY, OR INCIDENTAL,
INDIRECT, SPECIAL DAMAGES, EVEN IF LICENSOR KNEW, SHOULD HAVE KNOWN OR HAS BEEN
ADVISED OF THE POSSIBILITY THEREOF.

         THE LIMITATIONS OF LIABILITY IN THE SUPPLY AGREEMENT, PARAGRAPH 32, ARE
INCORPORATED BY REFERENCE.

         NOTHING IN THIS AGREEMENT SHALL LIMIT LICENSOR'S LIABILITY FOR DEATH OR
PERSONAL INJURY RESULTING FROM LICENSOR'S NEGLIGENCE.

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                                    SECTION 9

                              TERM AND TERMINATION

          9.1  This Agreement shall commence on the Effective Date and shall
continue indefinitely until terminated by either party in accordance with this
Section 9.

          9.2  Either party may terminate this Agreement forthwith at any
time by written notice if the other party: commits a material breach of this
Agreement and fails to remedy it within ninety (90) days after receipt of
written notice of such breach, which notice must describe the breach in
reasonable detail; or becomes insolvent, bankrupt, or has a receiver,
manager, administrative receiver or similar officer appointed over the whole
or any part of its assets. In the event of termination for LICENSEE breach,
all rights and license granted hereunder shall forthwith terminate and the
LICENSEE shall immediately cease using and destroy all copies of the
LICENSOR's Software.

          9.3  LICENSEE shall not be relieved of its obligation of
confidentiality upon termination of this Agreement.

                                   SECTION 10

                                     GENERAL

         10.1 This Agreement is governed by California law and the parties
submit to the non-exclusive jurisdiction of the state and federal courts in
Santa Clara County, California. The parties agree to arbitration in San
Francisco, California under the Rules of Judicial Arbitration and Mediation
Service (JAMS) before a retired judge who is employed at JAMS.

         10.2 This Agreement constitutes the entire Agreement and
understanding between the parties and supersedes all prior negotiations,
representations or agreements, whether written or oral.

         10.3 This Agreement may be amended only by a written instrument signed
by a duly authorized representative of the party to be bound.

         10.4 Failure by either party at any time to require performance by the
other party or to claim breach of any provision of this Agreement shall not be
construed as affecting any subsequent breach or the right to require performance
with respect thereto or to claim a breach with respect thereto.

         10.5 If any part of this Agreement shall be invalid or unenforceable,
such invalidity or unenforceability shall not affect the validity or
enforceability of the remaining terms and conditions.

         10.6  The license granted under this Agreement may not be assigned
without the consent of the LICENSOR, except in the event of a sale of all or
substantially all of the assets of LICENSEE or a merger of LICENSEE. LICENSOR
may assign this license in the event of a sale of all or substantially all of
the assets of LICENSOR or a merger of LICENSOR.

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         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed by their representatives being thereunto duly authorized.

FOR    INTERWAVE COMMUNICATIONS, INC.        FOR   BLUE SKY COMMUNICATIONS, INC.

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

Name:           Dr. Priscilla Lu             Name:   David Lasier
     ---------------------------------            -----------------------------
                  Print or Type                     Print or Type

Title:        Chief Executive Officer        Title:  Chief Executive Officer
      --------------------------------             ----------------------------

IN THE PRESENCE OF:                          IN THE PRESENCE OF:

By:                                          By:
   -----------------------------------           -------------------------------
Name:                                        Name:
     ---------------------------------            ------------------------------
                   Print or Type                              Print or Type

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

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                                   SCHEDULE A

         The Software Products are:

         1.     interWAVE WAVEXpress/BSS Software Release

         2.     interWAVE WAVEView/OSS Software Release

         3.     interWAVE WAVEXchange/NSS Software Release

         4.     interWAVE Craft PC Software Release

         5.     interWAVE Network in a Box-TM-, NIB Software Release

         All of these Software Products are provided under Single Machine Use
Licenses only.<Page>

                                                                EXHIBIT 10.9

THE SECURITIES REPRESENTED BY THIS INSTRUMENT HAVE BEEN ACQUIRED FOR INVESTMENT
AND NOT WITH VIEW TO, OR IN CONNECTION WITH, THE SALE OR DISTRIBUTION THEREOF.
NO SUCH SALE OR DISPOSITION MAY BE EFFECTED WITHOUT AN EFFECTIVE REGISTRATION
STATEMENT RELATED THERETO OR AN OPINION OF COUNSEL REASONABLY ACCEPTABLE TO THE
COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED UNDER THE SECURITIES ACT OF 1933,
AS AMENDED (THE "SECURITIES ACT").

                          BLUE SKY COMMUNICATIONS, INC.
                       SECURED CONVERTIBLE PROMISSORY NOTE

US$4,000,000                                                  October 2, 2000
                                                    San Francisco, California

         FOR VALUE RECEIVED, Blue Sky Communications, Inc., a Georgia
corporation (the "Borrower"), promises to pay to the order of interWAVE
Communications International, Ltd., a Bermuda limited liability company, or
holder (collectively, the "Lender"), at Clarendon House, 2 Church Street,
Hamilton, HMDX, Bermuda, or such other place as Lender may from time to time
designate, in lawful money of the United States, the principal sum of Four
Million Dollars (US$4,000,000), plus interest thereon, in the manner set forth
below.

         1.         INTEREST. Interest on the principal sum of this secured
convertible promissory note ("Note") will accrue at the rate of ten percent
(10%) per annum, based on a 365-day year and the actual number of days elapsed,
and will be compounded annually.

         2.         FUNDING. On the date that Borrower made, executed, and
delivered this Note to Lender, Lender loaned to Borrower the sum of Two Million
Dollars (US$2,000,000) (the "First Advance"), which loan is evidenced by this
Note. So long as an Event of Default (as that term is defined in this Note) has
not occurred, upon receipt of Borrower's written request made during the first
calendar quarter of 2001, Lender will make an additional loan to Borrower of Two
Million Dollars (US$2,000,000) (the "Second Advance"), which loan will also be
evidenced by this Note. During the first calendar quarter of 2001, Borrower will
use the Second Advance to purchase from Lender certain equipment, software, and
services. On the date that Lender makes the Second Advance to Borrower, Lender
will make a notation on Schedule 1 attached to and made a part of this Note,
showing the amount and date of the Second Advance. Any prepayment by Borrower
will be denoted on Schedule 1 as well. Upon receipt of Borrower's written
request, Lender will provide to Borrower, in writing, the then-outstanding
principal amount due under the loans evidenced by this Note.

         3.       PAYMENTS.

                  3.1      INTEREST ONLY PAYMENTS.

                           3.1.1    FIRST ADVANCE. With respect to the First
Advance, commencing January 1, 2001, and continuing on the first day of every
third month thereafter (I.E., 4/1/01, 7/1/01, 10/1/01, etc.), Borrower will
make six (6) equal, consecutive payments of interest only.

                           3.1.2    SECOND ADVANCE. With respect to the
Second Advance, commencing July 1, 2001, and continuing on the first day of
every third month thereafter (I.E., 10/1/01, 1/1/02, 4/1/02, etc.), Borrower
will make six (6) equal, consecutive payments of interest only.

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                  3.2      BALLOON PAYMENTS; MATURITY DATE.

                           3.2.1    FIRST ADVANCE. With respect to the First
Advance, unless otherwise accelerated pursuant to the provisions of this
Note, the entire principal sum of the First Advance, and all accrued and
unpaid interest thereon, together with all other sums payable hereunder with
respect thereto (collectively, the "First Advance Obligations"), will be due
and payable in full on April 1, 2002. (The earlier of the date on which the
First Advance Obligations are accelerated and April 1, 2002, is referred to
in this Note as the "First Advance Maturity Date.")

                           3.2.2    SECOND ADVANCE.  With respect to the
Second Advance, unless otherwise accelerated pursuant to the provisions of
this Note, the entire principal sum of the Second Advance, and all accrued
and unpaid interest thereon, together with all other sums payable hereunder
with respect thereto (collectively, the "Second Advance Obligations"), will
be due and payable in full on October 1, 2002. (The earlier of the date on
which the Second Advance Obligations are accelerated and October 1, 2002, is
referred to in this Note as the "Second Advance Maturity Date.")

                  3.3        DEFAULT INTEREST. If Borrower fails to make
timely any payment, whether or not Lender has declared a default hereunder,
interest will accrue on the unpaid portion of the First Advance Obligations
and the Second Advance Obligations (collectively, the "Obligations") at the
rate of fourteen percent (14%) per annum commencing on the applicable
Maturity Date and continuing until all of the Obligations are irrevocably
paid in full by Lender.

         4.       PREPAYMENT. Subject to the provisions of section 9 of this
Note, this Note may be prepaid in whole or in part, at any time.

         5.       APPLICATION OF PAYMENTS. All payments received by Lender
will be applied first to all fees, costs, and expenses incurred by Lender with
respect to this Note or any other document executed by Borrower in connection
herewith; second, to accrued and unpaid interest; and third, to the unpaid
principal balance of this Note.

         6.       SECURITY. The payment and performance of all of Borrower's
obligations under this Note, including but not limited to Borrower's repayment
of the Obligations, is secured by a Security Agreement dated as of this date
(the "Security Agreement"), pursuant to which Borrower granted to Lender a first
lien against and purchase money security interest in certain of Borrower's
assets which are more particularly described therein (collectively, the
"Collateral.")

         7.       REPRESENTATIONS AND WARRANTIES. Borrower represents and
warrants to Lender that:

                  7.1        CORPORATE AUTHORITY/DUE AUTHORIZATION. Borrower is
a corporation duly incorporated and validly existing under the laws of the State
of Georgia and is duly qualified or licensed as a corporation in good standing
in each other jurisdiction in which failure to so qualify could have a material
adverse effect on (a) the business operations or conditions (financial or
otherwise) of Borrower or Borrower and its subsidiaries taken as a whole or (b)
the ability of the Borrower to repay or perform its obligations hereunder.
Borrower has the power to execute and deliver and carry out the terms of this
Note and has taken all necessary action (including, without limitation,
shareholder approval, if necessary) to authorize the execution, delivery, and
performance of this Note and the performance of its obligations hereunder.

                  7.2        NO CONFLICT. Borrower's execution, delivery, and
performance of its obligations under this Note do not and will not contravene or
conflict with any provision of (a)

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law, (b) any judgment, decree, or order applicable or binding upon Borrower,
(c) the corporate charter or by-laws of Borrower, or (d) any agreement or
instrument binding upon Borrower or upon any assets or property of Borrower;
provided, however, that if Borrower's execution, delivery, and performance of
its obligations under this Note would contravene or conflict with any
provision of any such agreement or instrument, then Borrower has obtained the
necessary consent or waiver of the other parties to such agreement or
instrument.

                  7.3        NO DEFAULT. Borrower is not in default under any
agreement or instrument binding upon Borrower or upon any assets or property of
Borrower, which default could have a material adverse effect on (a) the business
operations or conditions (financial or otherwise) of Borrower or Borrower and
its subsidiaries taken as a whole or (b) the ability of Borrower to repay or
perform its obligations hereunder.

                  7.4        ENFORCEABLE OBLIGATION. This Note is the legal,
valid, and binding obligation of Borrower enforceable against Borrower in
accordance with its terms, subject only to bankruptcy, insolvency,
reorganization, moratorium, and similar laws of general applicability relating
to or affecting creditors' rights.

                  7.5        LITIGATION, ETC. No litigation, arbitration
proceeding, governmental proceeding or investigation or regulatory proceeding is
pending or, to the best of its knowledge, threatened against Borrower which
might have a material adverse effect on (a) the business operations or
conditions (financial or otherwise) of Borrower or Borrower and its subsidiaries
taken as a whole or (b) the ability of Borrower to repay or perform its
obligations under this Note.

         8.       COVENANTS. Borrower agrees that: (a) it will maintain its
corporate existence and good standing in each jurisdiction where qualification
is necessary; (b) it will promptly upon learning of the occurrence of any of the
following, furnish to Lender notice of such occurrence and the steps being taken
by Borrower with respect thereto: (1) the occurrence of any Event of Default, or
(2) the institution of, or any adverse determination in, any material
litigation, arbitration proceeding, or governmental proceeding; and (c) it will
not enter into or execute or permit to exist any lien, security interest, or
encumbrance on any of the Collateral that is senior to the first lien and
purchase money security interest granted by Borrower to Lender under the terms
of the Security Agreement.

         9.       CONVERSION.

                  9.1        LENDER'S EXERCISE OF CONVERSION RIGHTS. At Lender's
sole election, the outstanding principal and accrued interest under this Note
will be automatically converted into a number of fully paid and non-assessable
whole shares of Series A Preferred Stock (the "Series A Preferred") determined
in accordance with section 9.2 of this Note at the Conversion Price (as that
term is defined in this Note) immediately following the closing of the first
sale of Series A Preferred (the "Financing") in which the aggregate receipts to
Borrower from the sale of Series A Preferred are at least Four Million Seven
Hundred Thousand Dollars (US$4,700,000) (the "Financing Threshold"); provided,
however, that the Series A Preferred issuable upon conversion of all outstanding
convertible promissory notes of Borrower will be included in calculating the
Financing Threshold. Upon conversion, this Note will be canceled and no further
amounts will be due hereunder.

                  9.2      SHARES ISSUABLE.

                           (a)      The number of whole shares of Series A
Preferred into which this Note may be converted (collectively, the
"Conversion Shares") will be determined by dividing the then-outstanding
aggregate principal amount of the loan evidenced by this Note plus all

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accrued interest thereon to the date of conversion by the Conversion Price
(as that term is defined in the next sentence). The Conversion Price will be
equal to the purchase price of the Series A Preferred as determined at the
initial closing of such Financing (the "Conversion Price").

                           (b)      The Series A Preferred will be issued to
Lender upon execution of a Series A Stock Purchase Agreement together with
all documents relating thereto (collectively, the "Series A Documents"), upon
such terms and subject to such conditions as are contained in the Series A
Documents.

                  9.3      CHANGE OF CONTROL. In the event a Change of Control
(as that term is defined in this Note) occurs prior to the Financing, this Note
will be convertible at the election of Lender immediately prior to the Change of
Control into shares of Common Stock of Borrower determined by dividing all
principal and interest due under this Note by a per share price equal to the
lower of the last sales price of the Common Stock or the Conversion Price
(appropriately adjusted for stock splits, stock dividends and similar events). A
"Change of Control" means (a) any consolidation of Borrower with, or merger of
Borrower into, any other person or entity (other than a merger for purposes of
reincorporating Borrower into another jurisdiction) in which the shareholders of
Borrower before such transaction will not be the holders of fifty percent (50%)
or more of the voting securities of the continuing or surviving entity of such
consolidation or merger, or (b) any merger of another person or entity into
Borrower (other than a merger for purposes of reincorporating Borrower into
another jurisdiction) in which the shareholders of Borrower before such
transaction will not be the holders of fifty percent (50%) or more of the voting
securities of the continuing or surviving entity of such consolidation or
merger.

                  9.4      CONVERSION PROCEDURE. Within five (5) business days
after reaching the Financing Threshold, Borrower will provide Lender written
notice that it has met the Financing Threshold. In the event that Lender elects
to exercise its conversion rights under the terms of this Note, Lender will
provide Borrower written notice of its election and of the conversion to be
effected. Borrower and Lender will jointly determine, as appropriate, the
Conversion Price, the principal amount of the Note to be converted, the amount
of accrued interest, the date on which such conversion will occur, and the place
at which the executed original of the Note will be surrendered.

                  9.5      DELIVERY OF STOCK CERTIFICATES. Upon the conversion
of this Note and return of the executed original of the Note to Borrower,
Borrower at its expense will issue and deliver to Lender a certificate or
certificates (bearing such legends as are required by applicable state and
federal securities laws in the opinion of counsel to Borrower) for the number of
full shares of Series A Preferred issuable upon such conversion.

                  9.6      NO FRACTIONAL SHARES. No fractional shares of
Series A Preferred will be issued upon conversion of this Note. In lieu of
Borrower issuing any fractional shares to Lender upon the conversion of this
Note, Borrower will pay to Lender the amount of outstanding principal and
interest under this Note that is not so converted.

                  9.7      CONVERSION AFTER SERIES A ROUND. Notwithstanding
any other term or provision of this Note, immediately following the closing of
any round of funding subsequent to Series A, Lender will have the right to
convert the outstanding principal and accrued interest under this Note into a
number of fully paid and non-assessable whole shares of Borrower's preferred
stock at the lower per share price of such financing round, as determined in a
manner consistent with the provisions this section 9.

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         10.      RESERVATION OF STOCK ISSUABLE UPON CONVERSION. Borrower will
at all times on and after the consummation of the Financing reserve and keep
available out of its authorized but unissued shares of Series A Preferred solely
for the purpose of effecting the conversion of this Note such number of its
shares of Series A Preferred (and shares of its Common Stock for issuance on
conversion of such Series A Preferred) as will from time to time be sufficient
to effect the conversion of this Note; and if at any time the number of
authorized but unissued shares of Series A Preferred (and shares of its Common
Stock for issuance on conversion of such Series A Preferred Stock) will not be
sufficient to effect the conversion of the entire outstanding principal amount
of this Note, in addition to such other remedies as will be available to Lender,
Borrower will use its best efforts to take such corporate action as may, in the
opinion of its counsel, be necessary to increase its authorized but unissued
shares of Series A Preferred (and shares of its Common Stock for issuance on
conversion of such Series A Preferred) to such number of shares as will be
sufficient for such purposes.

         11.        TRANSFER OF THIS NOTE OR SECURITIES ISSUABLE ON CONVERSION
HEREOF. With respect to any offer, sale, or other disposition of this Note or
securities into which this Note may be converted, Lender will give written
notice to Borrower prior thereto, describing briefly the manner thereof. Unless
Borrower reasonably determines that such transfer would violate applicable
securities laws and notifies Lender within five (5) business days after
receiving notice of the transfer, Lender may effect such transfer. This Note and
each certificate representing the securities thus transferred will bear a legend
as to the applicable restrictions on transferability in order to ensure
compliance with the Securities Act, unless in the opinion of counsel for
Borrower such legend is not required in order to ensure compliance with the
Securities Act. Borrower may issue stop transfer instructions to its transfer
agent in connection with such restrictions.

         12.      DEFAULT. Each of the following will constitute an "Event of
Default" under this Note:

                  12.1       Borrower fails to pay when due any of the
Obligations, including but not limited to any of the payments described above in
section 3.

                  12.2       Borrower defaults in the performance of any of its
material obligations under any provision of the Security Agreement.

                  12.3       Any warranty or representation made by Borrower in
this Note or in the Security Agreement is untrue in any material respect, in any
case on any date as of which the facts set forth are stated or certified.

                  12.4       Borrower institutes a voluntary case seeking
liquidation or reorganization under chapter 7 or chapter 11, respectively, of
the United States Bankruptcy Code (the "Code"), or under any other applicable
insolvency, bankruptcy, reorganization, composition, arrangement, moratorium or
liquidation laws of any state or country (collectively with the Code, the
"Insolvency Laws"), or consents to the institution of an involuntary case
against it under any of the Insolvency Laws; or Borrower files a petition
initiating or otherwise institutes any similar proceeding under any of the
Insolvency Laws, or consents thereto; or Borrower applies for, or by consent or
acquiescence there is an appointment of or order entered by a court of competent
jurisdiction appointing a receiver, liquidator, sequestrator, trustee or other
officer with similar powers; or Borrower makes an assignment for the benefit of
creditors; or Borrower admits in writing its inability to pay its debts
generally as they become due; or, if an involuntary case is commenced seeking
the liquidation or reorganization of Borrower under chapter 7 or chapter 11,
respectively, of the Code, or any similar proceeding is commenced against
Borrower under any of the Insolvency Laws, and (1) the petition commencing such
case is not timely controverted; or (2) the petition commencing such case is not
dismissed within

<Page>

thirty (30) days of its filing; or (3) a trustee (interim or otherwise) is
appointed to take possession of all or a portion of the Borrower's assets, or
to operate all or any part of the business of Borrower; or (4) an order for
relief is issued or entered therein.

                  12.5       Because of Borrower's action or failure to act,
Lender does not have or ceases to have a valid and perfected first lien against
and purchase money security interest in the Collateral.

         13.        ACCELERATION. If any Event of Default described above in
section 12 occurs, all Obligations will become due and payable immediately upon
the expiration of the respective number of Business Days set forth below
following Borrower's receipt of written notice of such Event of Default (the
"Cure Period"):

         EVENT OF DEFAULT UNDER SECTION 12:        CURE PERIOD (BUSINESS DAYS):
         12.1, 12.5                                            2
         12.2, 12.3, 12.4                                      5

Cure Periods will run concurrently, not consecutively. As used in this Note,
"Business Day" means any day that is not a Saturday, a Sunday, or a legal
holiday in the State of California.

         14.        REMEDIES. If any Event of Default remains uncured after the
expiration of the respective Cure Period, then Lender may exercise any and all
of the remedies provided in this Note, the Security Agreement, and by law,
without further notice to Borrower.

         15.        WAIVERS. Borrower, and any endorsers or guarantors hereof,
severally waive diligence, presentment, protest and demand, and also notice of
protest, demand, dishonor, acceleration, intent to accelerate, and nonpayment of
this Note, and expressly agree that this Note, or any payment hereunder, may be
extended from time to time without notice, and consent to the acceptance of
further security or the release of any security for this Note, all without in
any way affecting the liability of Borrower or any endorsers or guarantors
hereof. No extension of time for the payment of this Note, or any installment
hereof, agreed to by Lender with any person now or hereafter liable for the
payment of this Note, will affect the original liability of Borrower under this
Note, even if Borrower is not a party to such agreement. Lender may waive its
right to require performance of or compliance with any term, covenant or
condition of this Note only by express written waiver.

         16.        MAXIMUM LEGAL RATE OF INTEREST. All agreements between
Borrower and Lender, whether now existing or hereafter arising, are hereby
limited so that in no event will the interest charged hereunder or agreed to be
paid to Lender exceed the maximum amount permissible under applicable law.
Lender will be entitled to amortize, prorate and spread throughout the full term
of this Note all interest paid or payable so that the interest paid does not
exceed the maximum amount permitted by law. If Lender ever receives interest or
anything deemed interest in excess of the maximum lawful amount, an amount equal
to the excessive interest will be applied to the reduction of the principal, and
if it exceeds the unpaid balance of principal hereof, such excess will be
refunded to Borrower. If interest otherwise payable to Lender would exceed the
maximum lawful amount, the interest payable will be reduced to the maximum
amount permitted under applicable law. This paragraph will control all
agreements between Borrower and Lender in connection with the indebtedness
evidenced hereby.

<Page>

         17.        SUCCESSORS AND ASSIGNS. The terms of this Note will inure to
the benefit of and bind Borrower and Lender and their respective successors,
assigns, agents, representatives, and all persons claiming by or through them.

         18.        TIME. Time is of the essence with respect to all of the
provisions of this Note.

         19.        REPLACEMENT NOTE. If this Note is destroyed, lost or stolen,
Borrower will deliver a new secured promissory note to Lender on the same terms
and conditions as this Note, with a notation of the unpaid principal and accrued
and unpaid interest in substitution of the prior Note. Lender will furnish to
Borrower reasonable evidence that the Note was destroyed, lost or stolen and any
security or indemnity that may be reasonably required by Borrower in connection
with the replacement of this Note.

         20.        NOTICES. All notices and communications under this Note will
be in writing and will be: (1) delivered in person; or (2) sent by fax; or (3)
mailed, postage prepaid, either by certified mail, return receipt requested, or
by overnight express carrier, addressed in each case as follows:

         To Borrower: Blue Sky Communications, Inc.
                      Attn: Dave Lasier, CEO
                      100 Northpoint Center East, Suite 300
                      Alpharetta, GA 30022
                      Fax: (678) 366-9662

                      A courtesy copy of any notice under this
                      Note that is sent to Borrower must be sent
                      to:

                      Richard A. Cohen, General Counsel
                      Blue Sky Communications, Inc.
                      100 Northpoint Center East, Suite 300
                      Alpharetta, GA 30022
                      Fax: (678) 366-9662

                      and to:

                      Mr. Thomas Wardell
                      Long Aldridge Norman LLP
                      303 Peachtree St. NW
                      Atlanta, GA 30308
                      Fax: (404) 527-4198

         To Lender:   interWAVE Communications International, Ltd.
                      Attn: Thomas W. Hubbs, Executive Vice President and CFO
                      Clarendon House
                      2 Church Street
                      Hamilton, HMDX, Bermuda

<Page>

                      A courtesy copy of any notice under this
                      Note that is sent to Lender must be sent to:

                      Mr. Robin Foor
                      Vice President and General Counsel
                      interWAVE Communications, Inc.
                      312 Constitution Drive
                      Menlo Park, CA  94025
                      Fax: (650) 321-6381

                      and to:

                      Mr. George H. Kalikman
                      Baker & McKenzie
                      Two Embarcadero Center, 24th Floor
                      San Francisco, CA 94111
                      Fax: (415) 576-3099

All notices sent pursuant to the terms of this section 20 will be deemed
received upon actual receipt. A copy of any notice sent by fax must be sent by
regular mail as well on the same day that such fax is sent. Lender and Borrower
may change the name of its representative to whom (and/or the address to which)
notices (and/or courtesy copies of such notices) should be directed, provided
that such party complies with the provisions of this section 20 regarding the
methods for providing such notice.

         21.      GOVERNING LAW; ARBITRATION; VENUE; EQUITABLE RELIEF.

                  21.1       GOVERNING LAW. This Note will be governed by and
construed and enforced in accordance with the laws of the State of California,
without regard to principles of conflicts of laws.

                  21.2       INITIATION OF ARBITRATION PROCEEDING. Borrower
agrees that all disputes, claims and controversies between Borrower and Lender
concerning the interpretation or enforcement of this Note, or any other matter
arising out of or relating to this Note, will be arbitrated pursuant to the
provisions of this section. Either Borrower or Lender may initiate an
arbitration proceeding by making a written demand for arbitration and serving a
notice of said demand upon the adverse party by hand delivery or overnight,
express carrier, and upon the San Francisco regional office of JAMS. A written
response to the demand must be served upon the initiating party and JAMS within
ten (10) days of the adverse party's receipt of the demand.

                  21.3       SELECTION OF ARBITRATOR. The arbitration will be
conducted by a single arbitrator who is a retired judge associated with the San
Francisco regional office of JAMS. The arbitrator will be selected in accordance
with the JAMS Arbitration Rules & Procedure then in effect (the "JAMS Rules")
within fourteen (14) days of the service of the written demand for arbitration.
If Borrower and Lender cannot so agree upon the selection of the arbitrator
within the fourteen (14) day period, then the arbitration will be conducted by a
single arbitrator who will be a retired judge associated with the San Francisco
regional office of JAMS, and who will be selected by JAMS within five (5) days
of the service of a written request that JAMS select the arbitrator.

                  21.4       VENUE. Borrower covenants and agrees that any
arbitration proceeding instituted under the provisions of this Note will be
conducted in San Francisco through the San Francisco regional office of JAMS.
BORROWER ACKNOWLEDGES TO LENDER THAT ITS AGREEMENT TO ABIDE BY THE SPECIFIC
PROVISIONS OF THIS SECTION IS A MATERIAL INDUCEMENT TO LENDER

<Page>

TO MAKE THE LOAN EVIDENCED BY THIS NOTE, AND THAT LENDER IS REASONABLY
RELYING UPON BORROWER'S REPRESENTATION.

                  21.5       ARBITRATION HEARING AND AWARD. The arbitration
hearing will be conducted within thirty (30) days of the appointment of the
arbitrator. The arbitration will be conducted in accordance with the JAMS Rules.
The arbitrator's award will be conclusive and binding upon Borrower and Lender.
The arbitrator's award will provide, among other things, that the prevailing
party in the arbitration is entitled to recover from the adverse party its costs
and expenses incurred in connection therewith including, without limitation,
attorneys' fees as determined by the arbitrator, the costs of the arbitration,
and actual out-of-pocket expenses including, without limitation, expert witness
and consultants' fees, if any. Judgment upon the arbitrator's award may be
entered in any court of competent jurisdiction.

                  21.6       EQUITABLE RELIEF. The Arbitrator has the authority
to grant Lender or Borrower equitable relief on such terms and conditions as it
deems reasonably necessary or appropriate.

         22.      INTEGRATION CLAUSE. This Note constitutes the entire
agreement between the parties to this Note with respect to the subject matter of
this Note, and there are no other terms, obligations, covenants,
representations, statements or conditions except as set forth in this Note. No
change or amendment to this Note will be effective unless it is contained in a
document entitled "Amendment to Secured Convertible Promissory Note," and is
executed by Lender and Borrower. Failure to insist upon strict compliance with
any term or provision of this Note will not be deemed to be a waiver of any
rights under a subsequent act or failure to act. Each of the parties to this
Note acknowledges and agrees that in the event of any subsequent litigation,
arbitration proceeding, controversy or dispute concerning this Note, neither of
them will be permitted to offer or introduce into evidence any oral testimony
concerning any oral promises or oral agreements between them that relate to the
subject matter of this Note that are not included or referred to in this Note
and that are not evidenced by a writing entitled "Amendment to Secured
Convertible Promissory Note" which is signed by Lender and Borrower.

         IN WITNESS WHEREOF, Borrower has executed this Note as of the date and
year first above written.

                                Borrower:

                                BLUE SKY COMMUNICATIONS, INC.

                                By:_______________________________
                                            Dave Lasier
                                       Chief Executive Officer

<Page>

                                   Schedule 1
                     to Secured Convertible Promissory Note

                      From Blue Sky Communications, Inc. to
                   INTERWAVE COMMUNICATIONS INTERNATIONAL, LTD.

<Table>
<Caption>

                                                                                   OUTSTANDING PRINCIPAL BALANCE OF LOANS
     DATE OF ADVANCE (OR PREPAYMENT)         AMOUNT OF ADVANCE (OR PREPAYMENT)     EVIDENCED BY THIS NOTE AS OF SAID DATE
----------------------------------------     ---------------------------------     --------------------------------------
<S>                                          <C>                                   <C>
             October 2, 2000                            $2,000,000.                              $2,000,000.

</Table>

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