Sierra Wireless MC5720 PCI Express Mini Card certified on Sprint EV-DO network

MC5720 now available for integration into notebook computers and mobile devices, offering reliable wireless connection to critical data
Vancouver, B.C.-December 20, 2005

Sierra Wireless (NASDAQ: SWIR - TSX: SW) today announced that the Sierra Wireless MC5720 PCI Express Mini Card embedded module has been certified for operation on the Sprint Power Vision(SM) Mobile Broadband EV-DO network.

The Sierra Wireless MC5720 PCI Express Mini Card is the first product in the Mini Card series of embedded modules designed for integration into notebook computers and other mobile computing devices, delivering the benefits of 3G speeds in a conveniently built-in form. With the certification of the MC5720 on the Sprint network, OEM customers can now develop AirCard EnabledTM notebook computers with built-in connectivity to Sprint’s Mobile Broadband network.

"We are pleased to announce certification of the MC5720 with Sprint today," said Jim Kirkpatrick, Chief Technology Officer for Sierra Wireless. "OEM customers looking to build Sprint connectivity into notebook computers can now do so with the confidence that the MC5720 comes pre-tested by Sprint and Sierra Wireless to minimize the possibility of delays in development and time to market."

The dual-band MC5720 PCI Express Mini Card, built using the MSM6500TM Mobile Station ModemTM chipset from QUALCOMM, offers typical download data rates of 400-700 kbps, with peak speeds up to 2.4 Mbps. To provide coverage in areas where an EV-DO network connection is not available, the MC5720 module is also compatible with Sprint’s nationwide 1X network and will seamlessly switch without interruption to the user.

Sierra Wireless PCI Express Mini Card modules include a common comprehensive WHQL-certified USB software driver architecture that provides superior power management, a dedicated diagnostic channel and the ability to enable or disable NDIS, which provides maximum flexibility to OEM customers when designing their wireless product. To simplify and expedite product development cycles, Sierra Wireless also provides OEM customers a comprehensive software development kit (SDK) and Sierra Wireless’ own WatcherTM software for easy connection management. The MC5720 measures 51 x 30 x 4.5 mm, weighs in at less than 12 g, and complies with new European Union directives on RoHS (Restrictions on Hazardous Substances).

AirCard Enabled TM
Sierra Wireless has proven experience in delivering first class WWAN products for over 12 years. OEM customers can rely on Sierra Wireless to deliver a suite of PCI Express Mini Card products along with best-in-class technical and integration support, so end customers experience the same reliable, robust AirCard EnabledTM data solution users have come to expect from the AirCard line of PC Card products.

For more information about the Sierra Wireless MC5720 PCI Express Mini Card for CDMA 1xEV-DO networks, please visit, or contact the Sierra Wireless Sales Desk by calling 604-232-1488 or e-mailing [email protected].

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About Sierra Wireless
Sierra Wireless is a leader in delivering highly differentiated wireless solutions that enable our customers to improve their productivity and lifestyle. Sierra Wireless develops and markets the AirCard, the industry-leading wireless PC card line for portable computers; embedded modules for OEM wireless applications; and the MP line of rugged vehicle-mounted connectivity solutions. For more information about Sierra Wireless please visit

"AirCard" is a registered trademark of Sierra Wireless. "AirCard Enabled" is a 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.

For Media Enquiries:

Sharlene Myers
Sierra Wireless
Phone: +1 (604) 232-1445
Email: [email protected]