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EXHIBIT 23.5
[IDC LOGO] IDC
5 Speen Street
Framingham, MA 01701
(508) 872-8200
Fax: (508) 935-4700
Web Site: http://www.idc.com
DISCLOSURE FORM
IDC grants Aether Systems, Inc. permission to disclose select data IDC's
publications listed below in an S-1 registration statement.
The Global Market Forecast for Internet Usage and Commerce, Based on the
Internet Commerce Market Model, Version 6, May 2000.
The Intranet Opportunity, April 1999
Worldwide Cellular/PCS Forecast, Sept. 1999
Permission is granted to Aether Systems, Inc. to cite IDC data in an external
document pursuant to the contracted relationship between IDC and Merrill Lynch.
It is understood by IDC, Aether Systems, Inc., and Merrill Lynch and that the
information will not be sold. It is further understood that IDC will be credited
as the source of publication; and that the original date of publication will
also be noted.
/s/ ALEXA MCCLOUGHAN, 8/17/00
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Alexa McCloughan, Vice President Date
International Data Corporation
/s/ KEVIN CONNELLY, Aether Systems, Inc. 8/24/00
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Requesting individual, company Date
