ZyXEL ZyAIR Wireless LAN Products Granted Wi-Fi Interoperability Certification

Hsinchu, Taiwan, November 7, 2002 - ZyXEL Communications Co. (TAI:2391.TW), an innovator and leading provider of broadband access solutions, today announced that its ZyAIR B-2000 wireless LAN (WLAN) gateway, ZyAIR B-1000 Access Point (AP) and ZyAIR B-100 PC Card, have received Wi-Fi certification from the Wi-Fi Alliance after passing the interoperability test suite at Agilent Technologies' Interoperability Certification Lab (Agilent ICL). The Wi-Fi Alliance certifies interoperability of WLAN products based on the IEEE 802.11b wireless networking specification.

The Agilent ICL is an independent facility where leading vendors of IEEE 802.11b wireless technology test their equipment to ensure interoperability. Products passing the tests are granted a "seal of interoperability" - the Wi-Fi logo, which ensures customers that solutions from different manufacturers are compatible.

"We are very pleased that our ZyAIR wireless LAN products have been certified by the Wi-Fi Alliance," said Felix Chang, Product Marketing Director of DSL CPE Business Unit at ZyXEL. "The ZyAIR represents the new standard in wireless networking with its market-leading performance and powerful enterprise-class security. The Wi-Fi seal of approval further assures the end customer of interoperability with other IEEE 802.11b High Rate products which also bear the Wi-Fi logo."

About the ZyAIR B-2000 and ZyAIR B-1000 Access Point
The ZyAIR B-2000 is a broadband router with an Access Point and Internet sharing functionality. A built-in 4-port 10/100 Fast Ethernet switch allows offices with existing wired networks to share high-speed DSL/Cable connections. The ZyAIR B-1000 is a stand-alone Access Point, delivering a low cost wireless connection for sharing existing broadband services.

Designed for homes and small offices, ZyAIR improves 802.11b network performance and security to levels previously unseen in the mass market. Each unit is equipped with two detachable 2dBi antennas, and specially designed status LEDs provide at-a-glance diagnostics. Both the ZyAIR B-2000 and B-1000 are developed for ease of installation and flexible deployment. Desk and wall-mounting options allow for additional units to be incorporated into a wireless network for increased coverage. For more information on the ZyAIR visit: http:// www.zyxel.com

The ZyAIR products are currently available through ZyXEL's global network of authorized distributors. All products come with a two-year materials and workmanship warranty and include ZyXEL technical support. To find a ZyXEL reseller nearest your location, please consult: http://www.zyxel.com/wherebuy/index.php.

About ZyXEL Communications
ZyXEL Communications Co. (TAI:2391.TW), located in Hsinchu, Taiwan, is one of the world's leading broadband access solution providers. Products developed by ZyXEL over the years are not only industry leaders, but consistently win acclaim and are selected by worldwide telecommunications companies, ISPs, and other major businesses. ZyXEL now serves Chunghwa Telecom (TAI:2412.TW), Deutsche Telekom, EarthLink (NASDAQ: ELNK), France Telecom (NYSE:FTE), Sprint, Telefonica, Telenor, Verizon (NYSE: VZ) and many others. For more information on ZyXEL Communications, visit the company website at http://www.zyxel.com.

About The Wi-Fi Alliance
The Wi-Fi Alliance is a nonprofit international association formed in 1999 to certify interoperability of wireless Local Area Network products based on the IEEE 802.11b specification. Currently the Wi-Fi Alliance has 260 member companies from around the world, and 508 products have received Wi-Fi certification since certification began in March of 2000. The goal of the Wi-Fi Alliance's members is to enhance the user experience through product interoperability. More information on the Wi-Fi Alliance can be found at: http://www.wi-fi.com