WRITTEN AGREEMENT BETWEEN JORGE EMILIO ZEDAN AND DOUGLAS HAFFER

The undersigned, in relation to the Letter of Intent dated March 11, 2000,
signed by Douglas P. Haffer, as President of World Wide Wireless Communications,
Inc., and Jorge Emilio Zedan, President of El Salvador Telecom SA, DE C.V. and
through which World Wide Wireless Communications Inc. agreed to pay the sum of
three million five hundred thousand dollars in United States currency, of which
to date World Wide Wireless has paid one million dollars, in exchange for
twenty-five percent of the later company, they agree as follows:

1.   The parties mutually voluntarily agree to leave without effect the
     relationship set forth in the Letter of Intent, ceasing and terminating it
     and in effect extinguishing all rights and obligations set forth in that
     document;
2.   As a result of the foregoing, if either party has taken positions in
     incorporation of World Wide Wireless, Inc or in the books of SALTEL either
     party is authorized to make revisions and/or modifications as is necessary
     to abide by this agreement;
3.   Without prejudice to the foregoing, World Wide Wireless Communications
     through its President and Jorge Emilio Zedan agree that a way to resolve
     this recession, is that the World Wide Wireless Communications agrees to
     sell and to transfer to Jorge Emilio Zedan the stock that constitutes the
     25 percent of the social capital of SALTEL and the shares that are
     registered in the name of World Wide Wireless Communications Inc.
4.   Before any of the mentioned events in paragraph two and three occurs, Jorge
     Emilio Zedan will have to pay World Wide Wireless Communications, the
     amount of one million dollars, under the following conditions a) within 180
     days; at 10% annual interest. Form of Payment: Five hundred thousand
     dollars shall be paid within 90 days and an additional five hundred
     thousand shall be paid within 180 days, of July 1, 2000. Warranty: These
     payments shall be guaranteed by a national financial institution, Argentine
     or International with the understanding that this warranty will be
     processed in the least amount of time possible without exceeding 30 days.
     If there is breach of any of the foregoing obligations, the entire amount
     is due immediately.
5.   Both parties agree that World Wide Communications, Inc. should have to
     announce to the public the contents of this agreement, this announcement
     will have to be done in a way that doesn't affect the position and image of
     SALTEL or the stockholders. World Wide Communications, Inc. should consult
     SALTEL regarding the terms of any announcement.

     In good faith, we are signing the present in the city of San Salvador on
     July 1, 2000.

     WORLD WIDE WIRELESS COMMUNICATIONS

     BY       DOUGLAS HAFFER

     BY       JORGE EMILIO ZEDAN