Exhibit 10.2

FIRST SUPPLMENT TO THE PURCHASE
AND SALE AGREEMENT DATED MARCH 14, 2008
 
The Purchase and Sale Agreement (the “Agreement”) was entered into on March 14,
2008, by and between certain shareholders of Calypso Wireless, Inc. (“Sellers”)
and certain investors (the “Buyers”) (collectively the “Parties”).
 
For the consideration recited in the Agreement, the Buyers, as defined in the
Agreement, further hereby agree and covenant not to sue,  directly and/or
indirectly,  the Sellers, as defined in the Agreement, and any current and/or
former Board of Directors and Officers, Agents, employees, Zimmerman, Axelrad,
Meyer, Stern, & Wise, P.C., Brian W. Zimmerman, Eric Fryar, The Fryar Law Firm,
P.C.,  attorneys of the Company for any claims, causes of action, demands,
liability, damages, in law and/or in equity, known and/or unknown, for any and
claims including negligence, tort, breach of contract.  Further, the Buyers
hereby release, the Sellers and Current and Former Directors and Officers
including Antonio Zapata, Julieta Moran, George Schilling, Cheryl Dotson, David
Davila, Carlos Mendoza, and Zimmerman, Axelrad, Meyer, Stern, & Wise, P.C.,
Brian W. Zimmerman, Eric Fryar, The Fryar Law Firm, P.C. for any claims, causes
of action, demands, liability, damages, in law and/or in equity, known and/or
unknown, for any and claims including, but not limited to,  negligence, breach
of fiduciary duties, tort, and/or breach of contract.   This Covenant not to Sue
and Release is to include, but is not limited to, any and all claims against
Board Members, Officers, agents and/or employees for any action and/or inaction
that concerns, and/or otherwise relates to entering into this Agreement or any
agreement and/or obligation in connection with the Agreement.  This Release is
to be construed as broadly as possible to encompass any claims and/ or causes of
action against the foregoing.  The Board and Officers of the Company currently
consist of the following individuals: Antonio Zapata, Julieta Moran, George
Schilling and Cheryl Dotson. The former Board of Directors and Officers consist
of the following individuals: David Davila and Carlos Mendoza.  This Release
shall also apply to any and all conceivable claims, demands, causes of action
that could be brought by and/or on behalf of any officers, directors, agents,
employees of the Company, as defined by the Agreement,   put into place by the
Buyers, directly or indirectly, against Current and Former Directors and
Officers including Antonio Zapata, Julieta Moran, George Schilling, Cheryl
Dotson, David Davila, Carlos Mendoza, and Zimmerman, Axelrad, Meyer, Stern, &
Wise, P.C., Brian W. Zimmerman, Eric Fryar, The Fryar Law Firm, P.C.
 

Agreed and Accepted:
 
For the Buyers:
 
/s/ John W. Dalton                                                              
John W. Dalton, authorized agent for Buyers
 

 
Date: 4-4-08                    

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Buyers:

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