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Wi-LAN's Broadband Fixed Wireless Access Products Gain Traction in Russia CALGARY, CANADA and MOSCOW, RUSSIA-- CompTek International and Diamond Communications Add Recently Certified Ultima3 to Their Product Offerings Wi-LAN Inc. (TSX:WIN), a global provider of broadband wireless communications products and technologies, announced today two major system integrators and product distributors in Russia, CompTek International and Diamond Communications, have added Wi-LAN's Ultima3 Series broadband fixed wireless access products to their extensive suite of integrated network solutions. The Ministry of Communication of the Russian Federation recently approved the Ultima3 Series for deployment in Russia. CompTek is a well-established distributor of high technology networking and telecom equipment with a distribution network covering almost all of the Former Soviet Union (FSU), including active authorized regional dealers in more than 120 cities. Diamond is a leading network technologies system integrator and product distributor in the Russian telecommunications market. "Wi-LAN's broadband fixed wireless access products are in a class of their own in Russia's rapidly growing wireless communications market," said Inna Plotnikova, President of Diamond Communications. "Wi-LAN's solutions allow us to successfully implement broadband wireless networks offering fully integrated services such as voice telephony, high-speed Internet access and data transmission services." "I am very pleased to add Wi-LAN, a broadband wireless leader, to our product offering," said Peter Kochegarov, CompTek International's Technical Director. "The Russian broadband wireless access market has very large growth potential, and CompTek's relationship with Wi-LAN will allow us to increase our participation in this growth and bring leading-edge communication infrastructure to Russia." CompTek International and Diamond Communications will both be exhibiting at SVIAZ / EXPO COMM, May 12 to May 16, 2003 at the Krasnaya Presnya Fairgrounds in Moscow, Russia. With over 100,000 attendees, 787 exhibiting companies and 33 countries represented, leading telecommunications and information technology equipment manufacturers and service providers come to SVIAZ/EXPO COMM MOSCOW to meet with top government and corporate decision makers from throughout Russia and the Commonwealth of Independent States. "Broadband fixed wireless access has excellent potential in Russia's largely underserved telecommunications market, so we are very pleased to sign up CompTek and Diamond to assist us in penetrating this large and growing market," said Nico Roelofsen, Vice President, Global Sales, Wi-LAN Inc. "Both CompTek and Diamond are leaders in telecommunications product distribution and system integration in Russia. The Ultima3 is an excellent product for this market, and we look forward to adding additional products to our Russian offering as they are certified by the Ministry of Communication," said Patrick Bodnar, Regional Director, Russia and Commonwealth of Independent States, Wi-LAN Inc. Available in the 5.8 GHz license-exempt bands, Ultima3 is suitable for deployment in most countries worldwide. Ultima3 is certified for use in all major global telecommunications markets, having received certification from the USA Federal Communications Commission (FCC), the State Regulatory Radio Commission (SRRC) of the Peoples' Republic of China, Industry Canada (IC) and the Ministry of Communication of the Russian Federation, and having received the CE Mark indicating the product conforms to the standards of the European Telecommunications Standards Institute (ETSI). Wi-LAN's Ultima3 Product Series Built on eight years of field-proven technology and experience, the 5.8 GHz Ultima3 series is designed to meet the needs of license-exempt wireless Internet service providers and enterprises looking to build or extend broadband communications infrastructures. Ultima3 series products can be used for broadband access applications alone or in combination with wired alternatives. When paired with Wi-LAN's TEmux T1/E1 multiplexer, Ultima3 point-to-point products can also be used for transmission of up to 30 voice channels to provide a robust, reliable and cost-effective alternative to traditional leased T1 or E1 lines. The current hardware is capable of supporting several generations of enhancement to the system software. Features such as video services and additional network management features are being made available, as the market requires, via over-the-air software upgrades. Also, future generations of products will be compatible with existing products. The Ultima3 series includes Rapid Deployment (RD) and Extended Range (ER) products for point-to point applications, and Multi-Point (MP) products, including the new Long-range CPE (LCPE), for point-to-multipoint applications. Using a cellular-based frequency reuse point-to-multipoint network design linked by point-to-point units, Wi-LAN's Ultima3 solution can easily serve a large customer base. Coverage cells can be added and expanded quickly and cost effectively. By starting small and expanding, network operators experience early profits, and enterprises realize incremental cost savings. The AWE (Advanced Wireless Ethernet bridge) Product Series, which includes the Ultima3 Series as well as the AWE 45-24 and AWE 120-24, is offered in the license-exempt 2.4 GHz and 5.8 GHz bands. The AWE Series meets the requirements of service providers and enterprises without the need to obtain spectrum licenses. The 5.8 GHz Ultima3 series and the 2.4 GHz AWE 120-24 products feature Wi-LAN's patented MC-DSSS technology, which is designed to support constant service over distance through increased data rates, enhanced reliability and cost-effective performance. MC-DSSS technology also improves security due to built-in data scrambling that prevents unwanted eavesdropping. Wi-LAN's advanced wireless Ethernet bridges are designed to be easy to use, install and manage. Enhanced scalability allows a service provider to add new customers easily. The MC-DSSS Advantage Wi-LAN's patented Multi-code Direct Sequence Spread Spectrum technology (MC-DSSS) is the world's most spectrally efficient spread spectrum radio technology, and is the technology that makes it possible to multiply the carrying capacity of traditional spread spectrum systems by as much as ten times. Wi-LAN believes that MC-DSSS is the foundation for third generation (3G) mobile radio networks, including cellular phones, and Wi-LAN has filed an intellectual property statement with the International Telecommunications Union offering to make MC-DSSS available for licensing on fair, reasonable and non-discriminatory terms. Wi-LAN Customer Support As part of the Wi-LAN turnkey wireless network solution, the company provides engineering services to help customers and business partners plan and install wireless networks. From preliminary engineering service, such as system design and maintenance planning, to consulting and on-site service and training, Wi-LAN offers a full range of engineering services to help customers get the most from their wireless network equipment. About CompTek International CompTek is a well-established distributor of high technology networking and telecom equipment operating at the technology intersection of computers and communications. Principal network technologies are microwave, fiber optic, and wireless "last mile" solutions, enabling computer telephony, IP-telephony, and Internet services, including full-text retrieval engines designed specifically for the Russian language. CompTek has distribution agreements with Cisco Systems (1998 - 2002 In-Country Distributor of the Year), Avaya Communications, Intel/Dialogic, Everex Systems, Wi-LAN Inc. and other vendors. CompTek has established a distribution network covering almost all of the FSU including active authorized regional dealers in more than 120 cities. About Diamond Communications Diamond Communications, a network technologies company founded in 1991, is a leading system integrator and product distributor in the Russian telecommunications market. The company distributes hardware and software products from world-class vendors throughout Russia and designs, develops and deploys large-scale information systems and geographically-distributed multiservice integrated network solutions for a wide spectrum of customer communications requirements, including deployment of wireless solutions for manifold goals. Diamond Communications takes part in partnership programs with leading wireless vendors including Cisco Systems, Avaya Communications, Alvarion, MobileMark, California Amplifier, Wi-LAN and others. About Wi-LAN Inc. Wi-LAN is a global provider of broadband wireless communications products and technologies, specializing in solutions for secure wireless provision of high-speed data and telephony over distance for enterprises and telecom service providers. Wi-LAN's broadband wireless access products are known worldwide for their high quality and industry-leading technology. Wi-LAN believes its W-OFDM patents are necessary for the implementation of devices using the IEEE standards 802.16a, 802.11a or 802.11g, the ETSI BRAN HiperLAN/2 standard or the current draft of the ETSI BRAN HiperMAN proposed standard. Wi-LAN licenses its W-OFDM technology and has executed non-exclusive W-OFDM license agreements with semiconductor companies. Wi-LAN is the Chair Company of the OFDM Forum (www.ofdm-forum.com) and an active member of the WiMAX Forum (www.wimaxforum.org). Wi-LAN's common shares trade on The Toronto Stock Exchange under the symbol "WIN." Detailed information on Wi-LAN can be found at www.wi-lan.com. Forward Looking Information Certain statements in this release, other than statements of historical fact, may include forward-looking information that involves various risks and uncertainties. These may include, without limitation, statements based on current expectations involving a number of risks and uncertainties related to all aspects of the wireless data communications industry. These risks and uncertainties include, but are not restricted to, continued increased demand for the Company's products, the Company's ability to maintain its technological leadership in the field of high-speed data communications, the Company's ability to attract and maintain key employees, the enforceability of the Company's patents, and the availability of key components. These uncertainties may cause actual results to differ from information contained herein. There can be no assurance that such statements will prove to be accurate. Actual results and future events could differ materially from those anticipated in such statements. These and all subsequent written and oral forward-looking statements are based on the estimates and opinions of management on the dates they are made and expressly qualified in their entirety by this notice. The Company assumes no obligation to update forward-looking statements should circumstances or management's estimates or opinions change. - 30 - FOR FURTHER INFORMATION PLEASE CONTACT : Wi-LAN Inc. For more information - Ken Wetherell Corporate Communications and Investor Relations Phone: [phone] Email: [e-mail] or CompTek International Tatiana Loginova Phone: [phone] Fax: [phone] Email: [e-mail] or Diamond Communications Svetlana Boldareva Phone: [phone] Fax: [phone] Email: [e-mail] or Wi-LAN Inc. To place an order - Patrick Bodnar Sales: Russia, Commonwealth of Independent States and E.USA Phone: [phone] Fax: [phone] Email: [e-mail] or Wi-LAN Inc. Global Sales Phone: [phone] or Toll Free: [phone] Fax: [phone] Email: info@wi