Document:

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                                                                   EXHIBIT 10.11

                                 PROMISSORY NOTE
                                   Exhibit "A"

$484,000.00                                                    APRIL 1, 2001

FOR VALUE RECEIVED and as part of that certain Loan Extension Agreement between
Komar Investments, Kosti Shirvanian and the Maker of even date herewith, SATX,
Inc., a Nevada corporation ("Maker"), hereby promises to pay to Komar
Investments, a California limited liability company ("Lender"), or order, the
principal sum of Four Hundred Eighty-Four Thousand and 00/100 dollars
($484,000.00), plus interest thereon as hereinafter provided.

1. TERM OF NOTE

         This Promissory Note shall mature and all unpaid principal and all
accrued and unpaid interest shall be due and payable on March 31, 2003.
("Maturity Date").

2. INTEREST

         The principal amount of this Note shall bear interest from the date of
this Note, until repaid to Lender at a rate per annum equal to ten percent (10%)
or the maximum legal rate whichever is lower.

3. PAYMENTS OF PRINCIPAL AND INTEREST

         Any and all unpaid principal and all accrued and unpaid interest due
and payable pursuant to this Note shall be paid on the Maturity Date.

4. PREPAYMENT

         Maker shall have the right at any time, to prepay in whole or in part,
the principal amount of this Note and any unpaid and accrued interest without
penalty. All payments shall first be credited against the unpaid and accrued
interest and then to the outstanding principal.

5. SECURITY

         This Note shall be unsecured.

6. EVENTS OF DEFAULT

         This Note, together with all costs incurred in the collection hereof
(including reasonable attorneys' fees), with interest due and accrued hereon,
shall except as otherwise provided, become at once due and payable in full
without notice of default, notice of nonpayment or dishonor, presentment, demand
for payment or protest, or other notices or demands of any kind, all of which
are expressly waived by Maker, subject

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to applicable law, upon the occurrence of any of the following events of default
("Event of Default").

         a. Failure of Maker to make any payment of principal or interest on
this Note when the same shall become due and payable.

         b. The filing of any petition by the Maker under any chapter of the
federal bankruptcy laws or any state law relating to insolvency; or the filing
of any such petition against the Maker, unless such petition and all proceedings
thereunder are dismissed within thirty (30) days from the date of such filing;
or the appointment of a trustee or receiver for all or any assets within thirty
(30) days from the date of such appointment; or an adjudication that the Maker
is insolvent or bankrupt;

         c. The insolvency of the Maker, or the execution by the Maker of an
assignment for the benefit of creditors.

The Maker further promises to pay to Lender interest on the amount not so paid
at the maximum legal rate of interest from the date when such payment was first
due and not paid.

7. NOTICES

         All notices, consents, requests and other communications required or
permitted hereunder shall be in writing and shall be personally delivered or
mailed by certified mail, return receipt requested, postage pre-paid to the
following addresses or to such other address as the parties hereto may designate
in writing

If to Lender:
         Komar Investments, LLC
         23 Corporate Plaza, Suite 247
         Newport Beach, California 92660

If to Maker:
         SATX, Inc.
         8351 Roswell Road, #374
         Atlanta, Georgia 30350

All such notices, requests, consents and other communications shall be deemed to
be properly given if delivered personally or, if sent by mail, three (3)
business days after the same has been deposited in the U.S. Mail addressed and
postage pre-paid as set forth above.

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8. GOVERNING LAW

         This Note is executed under and is to be construed and enforced in
accordance with the laws of the State of Georgia, without regard to principles
of conflict, including matters of construction, validity and performance.

9. WAIVER

         The rights, privileges, powers, and remedies of Lender shall be
cumulative; no single or partial exercise of any of them shall preclude any
further or other exercise of the same or any other of them. No delay or failure
of Lender in exercising any right, power or privilege or remedy hereunder shall
affect such right, power, privilege or remedies, nor shall any single or partial
exercise hereof or any abandonment or discontinuance of steps to enforce any
such right, power, privilege or remedy. Any waiver by Lender of any default
hereunder must be in writing and shall only be effective to the extent set forth
in writing.

10. ATTORNEYS' FEES

         In the event of any dispute with respect to this Note, the prevailing
party in any litigation or arbitration shall be entitled to its reasonable
attorneys' fees and other costs and expenses incurred in resolving such dispute.

11. ASSIGNMENT

         This Note is assignable without the consent of Maker and the successors
and assigns of Lender shall have all the rights inuring to Lender under this
Note.

12. SEVERABILITY

         If any provision of this Note or the application of any of its
provisions to any party or circumstance is held invalid or unenforceable, the
remainder of this Note and the application of the provisions to the other
parties or circumstances shall remain valid and in full force and effect.

         IN WITNESS WHEREOF, Maker has caused this Note to be executed on the
date first above written.

"Maker"
SATX, Inc., a Nevada corporation

By
  ----------------------------------
          Terry Colbert, CEO<PAGE>   1
                                                                   EXHIBIT 10.12

                                 PROMISSORY NOTE

                                   Exhibit "B"

$434,499.00                                                    April 1, 2001

FOR VALUE RECEIVED and as part of that certain Loan Extension Agreement between
Komar Investments, LLC, Kosti Shirvanian and the Maker of even date herewith,
SATX, Inc., a Nevada corporation ("Maker"), hereby promises to pay to Kosti
Shirvanian ("Lender"), or order, the principal sum of Four Hundred Thirty-four
Thousand Four Hundred Ninety-nine and 00/100 dollars ($434,499.00), plus
interest thereon as hereinafter provided.

1. TERM OF NOTE

         This Promissory Note shall mature and all unpaid principal and all
accrued and unpaid interest shall be due and payable on March 31, 2003.
("Maturity Date").

2. INTEREST

         The principal amount of this Note shall bear interest from the date of
this Note, until repaid to Lender at a rate per annum equal to ten percent (10%)
or the maximum legal rate whichever is lower.

3. PAYMENTS OF PRINCIPAL AND INTEREST

         Any and all unpaid principal and all accrued and unpaid interest due
and payable pursuant to this Note shall be paid on the Maturity Date.

4. PREPAYMENT

         Maker shall have the right at any time, to prepay in whole or in part,
the principal amount of this Note and any unpaid and accrued interest without
penalty. All payments shall first be credited against the unpaid and accrued
interest and then to the outstanding principal.

5. SECURITY

         This Note shall be unsecured.

6. EVENTS OF DEFAULT

         This Note, together with all costs incurred in the collection hereof
(including reasonable attorneys' fees), with interest due and accrued hereon,
shall except as otherwise provided, become at once due and payable in full
without notice of default, notice of nonpayment or dishonor, presentment, demand
for payment or protest, or other notices or demands of any kind, all of which
are expressly waived by Maker, subject

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to applicable law, upon the occurrence of any of the following events of default
("Event of Default").

         a. Failure of Maker to make any payment of principal or interest on
this Note when the same shall become due and payable.

         b. The filing of any petition by the Maker under any chapter of the
federal bankruptcy laws or any state law relating to insolvency; or the filing
of any such petition against the Maker, unless such petition and all proceedings
thereunder are dismissed within thirty (30) days from the date of such filing;
or the appointment of a trustee or receiver for all or any assets within thirty
(30) days from the date of such appointment; or an adjudication that the Maker
is insolvent or bankrupt;

         c. The insolvency of the Maker, or the execution by the Maker of an
assignment for the benefit of creditors.

The Maker further promises to pay to Lender interest on the amount not so paid
at the maximum legal rate of interest from the date when such payment was first
due and not paid.

7. NOTICES

         All notices, consents, requests and other communications required or
permitted hereunder shall be in writing and shall be personally delivered or
mailed by certified mail, return receipt requested, postage pre-paid to the
following addresses or to such other address as the parties hereto may designate
in writing

If to Lender:
         Kosti Shirvanian
         23 Corporate Plaza, Suite 247
         Newport Beach, California 92660

If to Maker:
         SATX, Inc.
         8351 Roswell Road, #374
         Atlanta, Georgia 30350

All such notices, requests, consents and other communications shall be deemed to
be properly given if delivered personally or, if sent by mail, three (3)
business days after the same has been deposited in the U.S. Mail addressed and
postage pre-paid as set forth above.

<PAGE>   3

8. GOVERNING LAW

         This Note is executed under and is to be construed and enforced in
accordance with the laws of the State of Georgia, without regard to principles
of conflict, including matters of construction, validity and performance.

9.  WAIVER

         The rights, privileges, powers, and remedies of Lender shall be
cumulative; no single or partial exercise of any of them shall preclude any
further or other exercise of the same or any other of them. No delay or failure
of Lender in exercising any right, power or privilege or remedy hereunder shall
affect such right, power, privilege or remedies, nor shall any single or partial
exercise hereof or any abandonment or discontinuance of steps to enforce any
such right, power, privilege or remedy. Any waiver by Lender of any default
hereunder must be in writing and shall only be effective to the extent set forth
in writing.

10. ATTORNEYS' FEES

         In the event of any dispute with respect to this Note, the prevailing
party in any litigation or arbitration shall be entitled to its reasonable
attorneys' fees and other costs and expenses incurred in resolving such dispute.

11. ASSIGNMENT

         This Note is assignable, without the consent of Maker and the
successors and assigns of Lender shall have all the rights inuring to Lender
under this Note.

12. SEVERABILITY

         If any provision of this Note or the application of any of its
provisions to any party or circumstance is held invalid or unenforceable, the
remainder of this Note and the application of the provisions to the other parts
or circumstances shall remain valid and in full force and effect.

IN WITNESS WHEREOF, Maker has caused this Note to be executed on the date first
above written.

"Maker"
SATX, Inc., a Nevada corporation

By
   ------------------
   Terry Colbert, CEO

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