Exhibit 23.3 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the inclusion in this Registration Statement on Form F-4 of WaveRider Communications (Canada) Inc. of our report dated February 15, 2002, (except for Note 11(vii) which is as of March 26, 2002 and the second paragraph of Note 1, which is as of July 1, 2004) relating to the consolidated financial statements of WaveRider Communications Inc. for the year ended December 31, 2001 which appear in the Registration Statement. We also consent to the references to us under the headings "Experts" and "Independent Registered Public Accounting Firms" in such Registration Statement. /s/ PriceWaterhouseCoopers LLP Toronto, Ontario Canada August 4, 2004.