MaxStream First to Offer ZigBee Certified Wireless Modules

XBee™ Product Line Gains Approval from the ZigBee Alliance

MINNETONKA, Minn. – December 7, 2006 – Digi International (NASDAQ - DGII) announces that its MaxStream branded XBee™ product family has been ZigBee Certified by the ZigBee Alliance. The XBee and XBee-PRO OEM RF modules passed rigorous independent testing to become one of only four products to receive ZigBee certification.

“Obtaining this certification further solidifies the MaxStream brand as the leader in reliable and easy-to-use ZigBee products,” said Larry Kraft, senior vice president of sales and marketing, Digi International. “The XBee and XBee-PRO OEM RF modules present a uniquely robust solution to the many markets that are adopting wireless networking into their data communication applications.”

“Achieving ZigBee Certified Product designation is a true achievement and demonstrates to consumers, business and industrial users that they can safely purchase ZigBee Certified Products and be assured of networking performance,” said Bob Heile, chairman of the ZigBee Alliance. “MaxStream’s dedication to advancing ZigBee as the standard best suited for wireless sensor and control networks clearly demonstrates how companies are producing ZigBee solutions today to meet growing demand from product manufacturers around the world.”

The XBee and XBee-PRO modules were subjected to a variety of independent tests conducted by National Technical Systems, Inc. These tests certified the ability of XBee products to perform in ZigBee networks as specified by the ZigBee Alliance. The first industrial-strength ZigBee Certified Products, the XBee and XBee-PRO modules are built upon a ZigBee Compliant Platform and feature industry leading range and reliability performance.

MaxStream utilizes the attractive low-cost, low-power features of the ZigBee standard and adds additional functionality including multiple output power options, three antenna options, advanced configuration tools and worldwide agency approvals. The XBee product line can be found in a variety of industrial and commercial applications including remote sensing, equipment control and automation.

For more information on ZigBee Certified Products, visit http://zigbee.org/en/certification/certified_products.asp.

To download a high-resolution image, visit www.maxstream.net/corporate/press/images/ZigBee-certified_hr.zip.

About MaxStream
MaxStream, now part of Digi International, is the leading worldwide developer of wireless modem networking for electronic devices. MaxStream provides wireless modem modules, stand-alone radio modems, RF design services, and supporting software. Products and services by MaxStream include designing, manufacturing and supporting wireless communications for embedded systems. For more information regarding MaxStream’s products and services, contact MaxStream at www.maxstream.net, info@maxstream.net, or call (866) 765-9885.

About Digi International
Digi International, the leader in device networking for business, develops reliable products and technologies to connect and securely manage local or remote electronic devices over the network or via the web. With over 20 million ports shipped worldwide since 1985, Digi offers the highest levels of performance, flexibility and quality. Digi markets its products through a global network of distributors and resellers, systems integrators and original equipment manufacturers (OEMs).

ZigBee: Wireless Control That Simply Works
The ZigBee Alliance is an association of companies working together to enable reliable, cost effective, low-power, wirelessly networked, monitoring and control products based on an open global standard. The ZigBee Alliance membership comprises technology providers and original equipment manufacturers worldwide. Membership is open to all. Additional information can be found at www.zigbee.org.

For more information, visit Digi’s Web site at , or call 877-912-3444 (U.S.) or 952-912-3444 (International).

All brand names and product names are trademarks or registered trademarks of their respective companies.

Contact Information

Jan McBride

Press Contact

Digi International

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