Digi International selects Sierra Wireless products for integration into high-speed 3G cellular router products

Sierra Wireless AirCard® 860 and 850 HSDPA PC Cards, AirCard® 775 EDGE PC Card and MC5720 EV-DO PCI Express MiniCard embedded modules provide 3G connection to routers for global customers.
Vancouver, Canada-April 25, 2006

Sierra Wireless (NASDAQ: SWIR - TSX: SW) and Digi International (NASDAQ: DGII) today announced that Digi has selected the Sierra Wireless AirCard® 860 and AirCard® 850 HSDPA PC Cards, AirCard® 775 EDGE PC Card, and MC5720 EV-DO PCI Express Mini Card embedded module to provide 3G wireless connectivity for their upgradeable ConnectPort™ WAN VPN router product line.  ConnectPort WAN VPN routers are commercially available today to customers globally.

Digi’s ConnectPort WAN VPN product is a commercial grade, upgradeable 3G router that offers a secure, high-speed cellular connection for reliable, primary and backup network connectivity to remote sites and devices. The highly flexible ConnectPort WAN VPN router provides the functionality of a cellular router, firewall, switch, VPN appliance and terminal server in one device and is the industry’s first standalone platform that is both upgradeable and commercial grade.

The ConnectPort WAN VPN router enables devices to connect to a central site using a single wireless wide area connection, courtesy of Sierra Wireless PC Cards and embedded modules, and offers maximum flexibility to users when a wireline connection is not available.  The ConnectPort WAN VPN router features an embedded four-port Ethernet switch, two RS-232 serial ports and one USB port, and is ideal for industrial automation, point-of-sale, retail, medical and video surveillance applications.

“Sierra Wireless has been a leader in delivering a variety of 3G wireless wide area products first to market – a critical factor in our decision to integrate their PC Cards and Mini Card embedded modules into our latest router product line,“ said Larry Kraft, Senior Vice President of Sales and Marketing, Digi International.  “With Sierra Wireless’s solid reputation for developing high-performing product, we are confident we will meet customer expectations and deliver 3G routers that offer secure, high speed connectivity.”

“Our partnership with Digi International is another endorsement of our 3G PC Card and embedded module product portfolio,” said Dan Schieler, Senior Vice President, Worldwide Sales for Sierra Wireless. “While we continue to support our roster of customers, we continually look for new opportunities to innovate and integrate our products into devices and we are pleased to work with Digi to offer 3G routers for a variety of commercial-grade applications.”

The Digi ConnectPort WAN VPN is certified by Cingular and Sprint. For more information, visit www.digi.com/products/wireless/connectportwanvpn.jsp

AirCard® 860, AirCard 850 for HSDPA/UMTS networks
The AirCard 860 and AirCard 850 wireless WAN cards are Type II PC Cards with a slim, unextended design, allowing users to conveniently store the unit inside the laptop. Fully functional on HSDPA, UMTS, EDGE, and GPRS networks, the AirCard 860 utilizes the 850 and 1900 MHz UMTS frequency bands while the AirCard 850 utilizes the 2100 MHz UMTS frequency band and is targeted primarily for use in Europe. Both offer average data rates of 500 to 800 kbps, with bursts over 1 Mbps on HSDPA networks*. In areas where HSDPA or UMTS network coverage is not available, the AirCard 860 and AirCard 850 will connect to EDGE and GSM/GPRS networks.  Ideal for frequent travelers, these cards enable international roaming on all four EDGE and GPRS frequency bands (850, 900, 1800, and 1900 MHz) used worldwide.

AirCard® 775 for EDGE/GPRS/GSM networks
Designed for mobile professionals, the AirCard 775 fits into a PCMCIA slot in a laptop computer and provides access to email, the Internet, and corporate applications over an EDGE network at data rates averaging 100 to 130 kilobits per second (kbps), with peak rates up to 216 kbps. The AirCard 775 card also supports global roaming, functioning on EDGE and GSM/GPRS networks on all four GSM frequency bands (850, 900, 1800 and 1900 MHz) used worldwide, making it a powerful tool for frequent travelers who need to stay in touch with their colleagues and access corporate intranets or Web-based applications while they are away from the office.

MC5720 PCI Express Mini Card for EV-DO networks
The dual-band MC5720 PCI Express Mini Card, built using the MSM6500™ Mobile Station Modem™ 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 widely available 1X networks and will seamlessly switch without interrupting the user. The module 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).

For more information about Sierra Wireless products, please visit  www.sierrawireless.com/product/ or contact the Sierra Wireless Sales Desk by calling 604-232-1488 or emailing sales@sierrawireless.com.

For more information on Digi ConnectPort WAN VPN router products visit www.digi.com or call T: 877.912.3444.

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

*Subject to network availability and conditions

About Sierra Wireless
Sierra Wireless (NASDAQ: SWIR – TSX: SW) develops and markets reliable, high quality wireless communications products that provide mobile professionals with data and voice access to wide area wireless networks. The Sierra Wireless product portfolio includes the award-winning AirCard® line of wireless PC cards, 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. 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.

About Digi International
Digi International, based in Minneapolis, makes device networking easy by developing products and technologies that are cost effective and easy to use. Digi markets its products through a global network of distributors and resellers, systems integrators and original equipment manufacturers (OEMs).

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.

Media Contacts:

Sharlene Myers

Sierra Wireless 

(604) 232-1445 

smyers@sierrawireless.com

Jan McBride                         

Digi International                 

(952) 912-3473
jan_mcbride@digi.com        

Matt Serra
Mulberry Marketing 
(312) 836-3716
mserra@mulberrymc.com