Sierra Wireless modules integrate into Cisco 3G Wireless WAN HWIC solution

Embedded modules integrated into Cisco’s industry-leading Integrated Services Routers, providing a highly secure business communications system
Orlando, Florida-March 28, 2007

Sierra Wireless (NASDAQ: SWIR - TSX: SW) today announced that Cisco® has selected Sierra Wireless 3G embedded modules for integration into the new Cisco 3G Wireless Wide Area Network (WAN) High-Speed WAN Interface Card (HWIC) solution for Cisco Integrated Services Routers (ISRs). 

This integrated solution is part of the Cisco Internet Protocol Next-Generation Network (IP NGN) architecture and is helping to enable service providers to offer 3G wireless connectivity to enterprise branch office customers demanding the highest-availability access to business-critical applications across the wide-area network (WAN). 

Cisco’s new 3G Wireless WAN card, which utilizes the Sierra Wireless embedded Wireless WAN modules, provides a number of benefits to the enterprise, including: 
•  Automatic WAN failover service for business continuity;
•  Supplemental bandwidth access when the primary WAN link is over utilized;
•  Rapidly deployable primary WAN connectivity for temporary sites and businesses requiring portability; and
•  Rapidly deployable primary WAN connectivity for remote locations lacking wireline infrastructure.

“Our collaboration with Cisco to bring 3G wireless connectivity to their industry-leading integrated services routers delivered a high-quality fixed wireless solution that takes advantage of  each company’s strengths,” said Dan Schieler, senior vice president, Worldwide Sales for Sierra Wireless.  “Businesses know and trust Cisco Integrated Services Routers and are looking for the same high quality in the wireless connection.  Sierra Wireless is committed to addressing the fixed wireless market and delivering high-performance, reliable products that enterprises can trust with their bottom line.  Working with a technology leader like Cisco is a key part of that commitment.”

Pricing and Expected Availability
The Cisco 3G Wireless WAN HWIC solution has been trialed by leading network operators in the U.S and in Europe.  It is expected to be available starting in Summer 2007.  For more information about Cisco ISRs and the Cisco 3G Wireless WAN HWIC solution, please visit www.cisco.com/go/isr and www.cisco.com/go/3G.

Sierra Wireless (Booth #3141) will be showcasing the 3G Wireless WAN HWIC solution with Cisco ISRs at CTIA Wireless 2007, held at the Orange County Convention Center in Orlando, Florida, March 27 to 29.

For more information about Sierra Wireless embedded modules please visit http://www.sierrawireless.com/product/oemmodules.aspx. To contact the Sierra Wireless Sales Desk, call 604-232-1488 or e-mail sales@sierrawireless.com.

Note to editors:
To view and download images of Sierra Wireless products, please visit  http://www.sierrawireless.com/product/photos.aspx.

About Sierra Wireless
The Sierra Wireless product portfolio includes the award-winning AirCard® line of wireless modems, embedded modules for original equipment manufacturers (OEMs), and the MP line of rugged, vehicle-mounted wireless modems. Sierra Wireless also offers professional services to OEM customers during product development, leveraging the company’s expertise in wireless design and integration to provide built-in wireless connectivity for notebook computers and other portable computing devices. Sierra Wireless is headquartered in Richmond, British Columbia, Canada, with additional offices in Carlsbad, California, London, and Hong Kong. For more information about Sierra Wireless, please visit www.sierrawireless.com.

“AirCard” is a registered trademark of Sierra Wireless. Other product or service names mentioned herein may be the trademarks of their respective owners.

Forward Looking Statements
This press release contains forward-looking statements that involve risks and uncertainties. These forward-looking statements relate to, among other things, plans and timing for the introduction or enhancement of our services and products, statements about future market conditions, supply conditions, channel and end customer demand conditions, revenues, gross margins, operating expenses, profits, and other expectations, intentions, and plans contained in this press release that are not historical fact. Our expectations regarding future revenues and earnings depend in part upon our ability to successfully develop, manufacture, and supply products that we do not produce today and that meet defined specifications. When used in this press release, the words "plan", "expect", "believe", and similar expressions generally identify forward-looking statements. These statements reflect our current expectations. They are subject to a number of risks and uncertainties, including, but not limited to, changes in technology and changes in the wireless data communications market. In light of the many risks and uncertainties surrounding the wireless data communications market, you should understand that we cannot assure you that the forward-looking statements contained in this press release will be realized.