Exhibit 21

SUBSIDIARIES

The company has a wholly-owned subsidiary,  WaveRider Communications (Australia)
Pty  Ltd.   (formerly  ADE  Network  Technology  Pty  Ltd.)  ACN  006  395  026,
incorporated under the laws of the State of Victoria, Australia on April 1, 1985

The company has a wholly-owned  subsidiary,  WaveRider Communications (USA) Inc.
(formerly TTI Merger, Inc.), incorporated under the laws of the State of Nevada,
on May 19, 1999.

The company has a wholly-owned  subsidiary,  WaveRider  Communications  (Canada)
Inc. (formerly Major Wireless Communications Inc.),  incorporated under the laws
of the Province of British Columbia,  Canada the 9th day of October,  1996 under
no. 0528772.

WaveRider Communications (Canada) Inc. has a wholly-owned subsidiary,  JetStream
Internet Services Inc.,  incorporated  under the laws of the Province of British
Columbia, Canada the 29th day of July, 1997, under no. 0547668.