Sierra Wireless (SWIR) 40-F 2014 FY Annual report (Canada)

EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED

PUBLIC ACCOUNTING FIRM

The Board of Directors

Sierra Wireless, Inc.

We consent to the use of our reports, each dated March 2, 2015, with respect to the consolidated financial statements and the effectiveness of internal control over financial reporting included in this annual report on Form 40-F.

We also consent to the incorporation by reference of such reports in the Registration Statements (No. 333-147872) on Form S-8 of Sierra Wireless, Inc.

“KPMG LLP”

Chartered Accountants

Vancouver, Canada

March 2, 2015