Ultravision Launches Wireless Access Service in Puebla, Mexico with Aperto Networks.

Business Editors/High-Tech Writers

PUEBLA, Mexico & MILPITAS, Calif.--(BUSINESS WIRE)--Feb. 9, 2004

National broadcast operator adding broadband wireless Internet in

headquarters metro market, plans for expansion

Ultravision S.A. de C.V., a widely deployed MMDS television operator in Mexico, announced today that it has deployed 2.5 GHz wireless broadband access systems from Aperto Networks, a leading provider of scalable WiMAX-class broadband wireless access systems. The operator rolled out high speed Internet access service in Puebla, Mexico during the fourth quarter of 2003.

A business unit of the influential Grupo ZOMA TELECOM holding company, Ultravision provides TV programming in 44 metro markets within nine states in Mexico, covering more than 13 million people. Over its thirteen-year history, the company has developed an outstanding reputation of quality, customer focus and well-managed operations in its served communities.

"We selected Aperto as one of the best-in-class systems for our planned expansion into the ISP space, after very thorough evaluation of all leading technical alternatives," stated Patricio Zorrilla, General Manager of Ultravision. "Aperto's PacketWave systems are the best-suited to meet our strict standards for Quality of Service, spectral efficiency and controlled scalability. And equally importantly, this infrastructure will support all of the needed functionality for our business subscriber prospects, including full throughput, low latency, integrated routing and multiservice delivery."

"Ultravision has completed comprehensive and rigorous preparation for its rollout of retail wireless Internet access to commercial subscribers," emphasized Reza Ahy, chairman and CEO of Aperto Networks. "In this era of rapid launch and provisioning, it is noteworthy and impressive to see such rigor in the evaluation, configuration, provisioning and network management processes. Ultravision has made superlative efforts to guarantee the success of this rollout and to optimize future expansion."

Aperto Networks' WiMAX-class base stations and subscriber units enable both licensed and unlicensed frequency broadband wireless access for business-grade users. Providers use PacketWave systems to deliver wireless E1 and Fractional E1 speeds, wireless VPNs and VLANs, disaster recovery and Hot Spot backhaul, as well as VoIP and streaming media.

About Ultravision SA de CV

Ultravision, a business unit of Grupo ZOMA TELECOM, is an MMDS wireless cable television operator in Mexico. Founded in 1990, the company started operations in Puebla and Veracruz and later expanded operations to Torreon and Gomez Palacio. During 2002 & 2003, Ultravision enjoyed huge growth by going nationwide, with presence in cities such as Cuernavaca, Aguascalientes, Tampico, Matamoros, Coatzacoalcos, Xalapa, Chilpancingo, Iguala, Cuautla, Tehuacan and more. Ultravision now offers MMDS service in 44 cities and is licensed for a total of 83 metro markets. For more information, contact: Patricio Zorrilla ([e-mail]), or Marco Santos ([e-mail]), or visit www.ultravision.com.mx .

About Aperto Networks

Aperto Networks is a leading provider of WiMAX-class multiservice broadband wireless access systems for global markets. The company was founded to provide a breakthrough solution to one of today's critical network bottlenecks - last-mile broadband access. The PacketWave(R) system provides a family of base stations, subscriber units, and associated radios and antennas in 2.5, 3.5 and 5 GHz frequency bands for global point-to-point and point-to-multipoint deployments. Its scalable systems and patent-pending technologies support new wireless builds and complement existing wireline broadband access technology. Aperto systems have been deployed by service providers in 40 countries, meeting their needs for ease of installation, IP-rich network functionality and cost effectiveness, while enabling rapid provisioning and interference resilient operation in dense urban to suburban locations. The company is a founder and leading contributor to IEEE 802.16a/d as well as to ETSI-BRAN standards, and a board member of the WiMAX Forum. For more information on Aperto Networks, go to www.apertonet.com.