<PAGE>
Exhibit 4.2
                                                  ------------------------------
                                                    FORM TO BE USED WITH THE
                                                           SATX, INC.
                                                   2001 STOCK INCENTIVE PLAN
                                                  ------------------------------

                        INCENTIVE STOCK OPTION AGREEMENT
                                 PURSUANT TO THE
                                   SATX, INC.
                            2001 STOCK INCENTIVE PLAN


         THIS INCENTIVE STOCK OPTION AGREEMENT (this "Agreement") is made and
entered into by and between SATX, INC., a Nevada corporation (the "Company"),
and ________________ (the "Optionee"), effective as of __________, ____ (the
"Date of Grant").

         1. GRANT OF OPTION. The Company hereby grants to the Optionee and the
Optionee hereby accepts, subject to the terms and conditions of this Agreement
and the Plan (as defined below), an Incentive Stock Option (the "Option") to
purchase up to ________ shares of Company's Common Stock, par value $0.001 per
share (the "Common Stock"), at the Exercise Price per share set forth in SECTION
4 below.

         2. GOVERNING PLAN. This Option is granted pursuant to the Company's
2001 Stock Incentive Plan (the "Plan"), a copy of which is attached as ANNEX 1
and incorporated herein for all purposes. Capitalized terms used but not
otherwise defined herein have the meanings as set forth in the Plan. The
Optionee agrees to be bound by the terms and conditions of the Plan, which terms
and conditions of the Plan control in case of any conflict with this Agreement,
except as otherwise specifically provided for in the Plan.

         3. EXPIRATION OF THE OPTION. The Option (to the extent not earlier
exercised or terminated in accordance with the Plan) will expire at the end of
business on __________, 20__ , which date is not in excess of ten years from the
Date of Grant of the Option. The Option may terminate sooner under certain
circumstances, including, without limitation, termination of the Optionee's
employment or engagement with the Company and/or any Affiliated Entity, upon
certain Changes of Control (as defined in the Plan) as provided in Section 12.2
of the Plan or as set forth in SECTION 5 of this Agreement. The Option may not
be exercised after its expiration or termination.

         4. EXERCISE PRICE. The "Exercise Price" of the Option is ____________
($____) per share of Common Stock. The Exercise Price is subject to adjustment
or amendment as set forth in the Plan, including, without limitation, SECTION
3.4, SECTION 4.5(b) and SECTION 6.2 of the Plan.

         5. VESTING. (a) On each Measurement Date set forth in Column 1 below,
the Option shall vest and become exercisable for the corresponding number of
shares of Common Stock set forth in Column 2 below if the Optionee's employment
or engagement with the Company and/or any Affiliated Entity has not terminated.
Column 3 sets forth the cumulative total of the "Vested Portion" of the Option
as of any particular date for all shares for which the Option has become
exercisable as of that date.

<PAGE>

------------------------ ---------------------------- --------------------------
         COLUMN 1                  COLUMN 2                    COLUMN 3
------------------------ ---------------------------- --------------------------
     MEASUREMENT DATE    VESTED PORTION OF THE OPTION CUMULATIVE TOTAL OF VESTED
                                                           PORTION OF SHARES
------------------------ ---------------------------- --------------------------

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

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

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

                  (b) If Optionee's employment or engagement is terminated, then
all vested but unexercised Options at the time of such termination shall expire
and become unexercisable as of the earlier of (a) the date that such Options
would have expired if the Optionee had remained employed or engaged and (b) (i)
six months after the Optionee's termination as a result of death or Permanent
Disability (as defined in the Plan) and (ii) 90 days after the Optionee's
termination for any other reason.

                  (c) If Optionee's employment or engagement is terminated for
any reason, then all unvested Options at the time of such termination shall
lapse and shall be void and of no further force and effect.

         6. EXERCISE OF THE OPTION. The Vested Portion of the Option may be
exercised, to the extent not previously exercised, in whole or in part, at any
time or from time to time prior to the expiration or termination of the Option,
except that no Option shall be exercisable except in respect to whole shares,
and not less than 100 shares may be purchased at one time unless the number
purchased is the total number at the time available for purchase under the terms
of the Option. Exercise shall be accomplished by providing the Company with
written notice in the form of EXHIBIT A, which notice shall be irrevocable when
delivered and effective upon payment in full of the Option Price in accordance
with SECTION 5.4 of the Plan and any amounts required in accordance with SECTION
5.11 of the Plan for withholding taxes, and the satisfaction of all other
conditions to exercise imposed under the Plan.

         7. PAYMENT OF OPTION PRICE. Upon any exercise of the Option, the total
Exercise Price for the number of shares for which the Option is then being
exercised and the amount of any federal, state and local withholding taxes shall
be paid in full to the Company in cash or with shares of Common Stock that have
been owned for at least six months by the Optionee (or by the Optionee and his
or her spouse jointly), or a combination thereof, or in such other form
permitted by applicable law and the Plan as the Administering Body deems
acceptable at the time of exercise.

         8. ACKNOWLEDGMENT REGARDING OPTIONS. Optionee hereby represents,
acknowledges, agrees and understands that Optionee has no other options with
respect to shares of stock or equity in the Company and/or any Affiliated Entity
(including any subsidiaries of the Company), validly granted, verbally promised
or otherwise, prior to the effective date of this Agreement, except as otherwise
described on EXHIBIT B to this Agreement. Optionee further acknowledges, agrees
and understands that Company is relying on the statements contained herein with
respect to the granting of Options as provided herein.

         9. NON-TRANSFERABILITY OF OPTION. The Option shall not be transferable
or assignable by the Optionee, other than by will or the laws of descent and
distribution, and shall be exercisable during the Optionee's lifetime only by
the Optionee.

                                       2
<PAGE>

         10. ADMINISTRATION. The Plan and this Agreement shall be administered
and may be definitively interpreted by the Administering Body, and the Optionee
agrees that the decisions of such Administering Body concerning administration
and interpretation of the Plan and this Agreement shall be final, binding and
conclusive on all persons.

         11. NOTICES. All notices or other communications which are required or
permitted hereunder or in the Plan shall be in writing and sufficient if (i)
personally delivered, (ii) sent by nationally-recognized overnight courier or
(iii) sent by registered or certified mail, postage prepaid, return receipt
requested, addressed as follows: (a) if to Optionee, at the address set forth on
the signature page below; or (b) if to the Company, at the address set forth in
the signature page below, or in either case, to such other address as the party
to whom notice is to be given may have furnished to the other party in writing
in accordance herewith. Any such communication shall be deemed to have been
given (i) when delivered, if personally delivered, (ii) on the first Business
Day (as defined below) after dispatch, if sent by nationally-recognized
overnight courier and (iii) on the third Business Day following the date on
which the piece of mail containing such communication is posted, if sent by
mail. As used herein, "Business Day" means a day that is not a Saturday, Sunday
or a day on which banking institutions in the city to which the notice or
communication is to be sent are not required to be open.

         12. COUNTERPARTS. This Agreement may be executed in one or more
counterparts, each of which shall be deemed to be an original, but all of which
together shall constitute one and the same instrument.

                            (SIGNATURE PAGE FOLLOWS)

                                       3
<PAGE>

         IN WITNESS WHEREOF, this Agreement has been executed on behalf of the
Company by its duly authorized officer, and by the Optionee in acceptance of the
above-mentioned Option, subject to the terms and conditions of the Plan and of
this Agreement, all as of the day and year first above written.

                                         COMPANY:

                                         SATX, INC.


                                         By:
                                            -----------------------------------
                                         Name:
                                              ---------------------------------
                                         Title:
                                               --------------------------------

                                         Address: 8302 Dunwoody Place
                                                  Suite 270
                                                  Atlanta, Georgia  30350
                                         Telephone No.:  678.585.7755

                                         OPTIONEE:



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

                                         Address:
                                                 ------------------------------
                                                 ------------------------------
                                                 ------------------------------
                                         Telephone No.:
                                                       ------------------------

                                       4
<PAGE>

                                    EXHIBIT A


                               NOTICE OF EXERCISE
                                      UNDER
                        INCENTIVE STOCK OPTION AGREEMENT
                             ISSUED PURSUANT TO THE
                                   SATX, INC.
                            2001 STOCK INCENTIVE PLAN


To:      SATX, Inc. (the "Company")

From:
         -----------------------------------

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


         Pursuant to the SATX, Inc. 2001 Stock Incentive Plan (the "Plan") and
the Incentive Stock Option Agreement (the "Agreement") (capitalized terms used
without definition herein have the meanings given such terms in the Agreement or
the Plan) between the Company and myself effective ______________________,
20___, I hereby exercise my Option as follows:

<TABLE>
<CAPTION>
------------------------------------------------------------------------------------------------
<S>                                                                           <C>
Number of shares of Common Stock I wish to purchase under the Option
                                                                              ------------------

Exercise Price per Share                                                      $
                                                                              ------------------

Total Exercise Price                                                          $
                                                                              ------------------

"Vested Portion" of Option (see definition in Section 5 of the Agreement)
                                                                              ------------------

Number of shares I have previously purchased by exercising the Option
                                                                              ------------------

Expiration Date of the Option
                                                                              ------------------
------------------------------------------------------------------------------------------------
</TABLE>

         I hereby represent, warrant, and covenant to the Company that:

         a. I am acquiring the Common Stock for my own account, for investment,
and not for distribution or resale, and I will make no transfer of such Common
Stock except in compliance with applicable federal and state securities laws and
in accordance with the provisions of the Plan and the Agreement.

         b. I can bear the economic risk of the investment in the Common Stock
resulting from this exercise of the Option, including a total loss of my
investment.

<PAGE>

         c. I am experienced in business and financial matters and am capable of
(i) evaluating the merits and risks of an investment in the Common Stock; (ii)
making an informed investment decision regarding exercise of the Option; and
(iii) protecting my interests in connection therewith.

         d. Any subsequent offer for sale or distribution of any of the shares
of Common Stock shall be made only pursuant to (i) a registration statement on
an appropriate form under the Securities Act, which registration statement has
become effective and is current with regard to the shares being offered or sold,
or (ii) a specific exemption from the registration requirements of the
Securities Act, it being understood that to the extent any such exemption is
claimed, I shall, prior to any offer for sale or sale of such shares, obtain a
prior favorable written opinion, in form and substance satisfactory to the
Administering Body, from counsel for or approved by the Administering Body, as
to the applicability of such exemption thereto.

         I acknowledge that I must pay the total Exercise Price in full and make
appropriate arrangements for the payment of all federal, state and local tax
withholdings due with respect to the Option exercised herein, before the stock
certificate evidencing the shares of Common Stock resulting from this exercise
of the Option will be issued to me.

         Attached in full payment of the Exercise Price for the Option exercised
herein is:

         ____ a check made payable to the Company in the amount of
$___________________ and/or

         ____ a stock certificate for _______ shares of Common Stock that have
been owned by me or by me and my spouse jointly for at least six months, with a
duly completed stock power attached, with a total Fair Market Value on the date
hereof to the Total Exercise Price.

                                         OPTIONEE:


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

                                         Address:
                                                 ----------------------------
                                                 ----------------------------
                                                 ----------------------------

                                         Telephone No.:
                                                       ----------------------

                                         RECEIVED BY THE COMPANY:
                                         ------------------------

                                         SATX, INC.


                                         By:
                                            ---------------------------------
                                         Name:
                                              -------------------------------
                                         Title:
                                               ------------------------------

                                         Address:
                                                 ----------------------------
                                                 ----------------------------
                                                 ----------------------------

                                         Telephone No.:
                                                       ----------------------

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

                                      A-2
<PAGE>

                                    EXHIBIT B
                                    ---------


                         DESCRIPTION OF EXISTING OPTIONS
                               GRANTED TO OPTIONEE






<PAGE>

                                     ANNEX 1
                                     -------


                                     COPY OF
                                   SATX, INC.
                            2001 STOCK INCENTIVE PLAN


                                 (SEE ATTACHED)