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Exalt Communications Announces Deployment of the World’s First Carrier Class 200 Mbps 2.4 GHz Backhaul Network by South Texas Electric Cooperative

Texas Utility Company Upgrades Its Large Data and Voice Network to Boost IP Capacity With Carrier-Class Wireless Backhaul Links From Exalt

CAMPBELL, Calif., Dec. 10, 2007 –Exalt Communications, a provider of next generation wireless backhaul systems, announced today that South Texas Electric Cooperative (STEC) of Nursery, Texas, a provider of wholesale electricity power in Southern Texas, deployed a carrier class network in the 2.4 GHz band using Exalt point-to-point microwave radios.

STEC has recently expanded its power distribution network to cover 33 counties requiring a communications capacity increase due to the additional SCADA and Ethernet traffic. STEC has deployed several Exalt radio models including the EX-2.4i-16 which is field upgradeable to scale to 200 Mbps with up to 16 T1 as their needs evolve and network expands.

“Exalt was able to meet our needs for higher capacity, and allowed us to re-use our existing towers and antennas due to their breakthrough spectrum management technology,” said Warren Buchhorn of South Texas Electric Cooperative. “The radios are completely field-programmable and have been operating without a hitch.”

STEC capitalized on the new technological developments from Exalt enabling high capacity connections in the 2.4 GHz band, underutilized for a number of years due to congestion and lack of new alternatives. Using proprietary advanced signal processing techniques, with an unmatched ability to synchronize multiple collocated radios, Exalt-based systems alleviate interference and maximize spectrum re-use while providing superior performance in the license-exempt 2.4 GHz band. In addition, the low and consistent latency performance and native IP and TDM transmission in Exalt systems provide a highly reliable solution for latency-sensitive sub-station relay control and emerging advanced meter reader (AMR) and infrastructure (AMI) applications in the most challenging environments.

“We recognized great advantages for carriers and utilities to maximize the usage of high capacity transmission in the license-exempt, 2.4 GHz frequency band,” said Amir Zoufonoun, chief executive officer of Exalt Communications. “This band enables long range transmission, has low signal loss, no rain fading, and allows the use of lower cost antennas and transmission lines as compared to higher frequency spectrum. By providing carrier-class radios at 2.4 GHz, our customers gain great cost and performance advantages, resulting in more optimized infrastructure and faster ROI.”

About EX-2.4i

The Exalt 2.4 GHz product family includes the field-expandable EX-2.4i-16 with native TDM support for up to 16 T1/E1 interfaces and IP support up to 200 Mbps. This model is designed for use by carriers and enterprises looking to upgrade or expand their most demanding mission-critical networks. The EX-2.4-i model with up to 4 T1/E1 interfaces is well suited for Ethernet-centric applications, and provides cost-effective campus connectivity for enterprises such as schools, hospitals, government agencies, and businesses, replacing costlier fiber and leased lines. Standard and software enabled features include SNMPv3, AES encryption, asymmetrical transmission, GPS synchronization, embedded spectrum analyzer, VLAN, and monitored hot standby. Solutions in other frequencies and configurations are also available. All Exalt products can be purchased from distributors and value added resellers worldwide.

About Exalt Communications

Exalt Communications provides next generation wireless backhaul systems for service providers and enterprises worldwide. Exalt solutions address the network bottlenecks associated with the growing demand for IP-based voice, data and video applications and the resulting migration from TDM to IP-based networks. With a flexible architecture and technology-agnostic product platform covering multiple market segments, Exalt provides a full-range of carrier-class wireless backhaul solutions for any access technology as a cost-effective and flexible alternative to fiber and leased lines. For more information about Exalt Communications and its family of wireless backhaul products, please visit

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© 2007 Exalt Communications. All Rights reserved.

Exalt and the Exalt logo, EX-I Series, EX-r Series are trademarks of Exalt Communications in the United States and other countries. All other trademarks are the property of their respective owners

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