Westlake Village, CA–Dec. 12, 2006–Xirrus, Inc., the only provider of high performance, long range Wi-Fi products, announced today the availability of its Sharp Cell technology that further advances Xirrus’ RF shaping capability by sharply defining the edge of the coverage area produced by the Wi-Fi Array. Sharp Cell also limits the RF bleed outside of a building promoting a more secure network and reduces the interference to neighboring Wi-Fi networks.

“Unlike competitive offerings that have demonstrated a ‘bad neighbor policy’ in recent industry published tests, Xirrus’ Sharp Cell functionality reduces interference with other Wi-Fi networks ensuring the performance of an adjacent cell or neighboring network is not degraded,” said Bruce Miller, Director of Product Management for Xirrus. “The addition of Sharp Cell functionality into our Wi-Fi Array builds on our advanced RF management capabilities designed to improve the coverage and performance of a Wi-Fi network.”

With Sharp Cell functionality, the Wi-Fi Array dynamically controls both transmit power and defer thresholds on a packet-by-packet basis in each sector of the Wi-Fi Array, thereby creating a more defined edge to a Wi-Fi cell and additionally improving the utilization of higher data rates throughout a cell.

In addition to Sharp Cell functionality, the Wi-Fi Array employs several advanced RF management features, delivering the largest coverage area and highest performing Wi-Fi network, including:

*Sectored Antenna System
*Delivers per-sector control of transmit power and receiver sensitivity
*Provides interference reduction from other access points and clients
*Reduces hidden node problems

*Channel Allocation Per Sector
*Maximizes the reuse of non-overlapping channels per cell

*Dynamic Channel Assignment
*Optimizes settings based upon changing environment conditions

*Load Balancing
*Moves clients between radios to optimize performance

Sharp Cell functionality comes standard in every Wi-Fi Array and is available today to all Xirrus customers at no incremental charge.

About Xirrus

Xirrus is the award-winning leader in high performance, long range Wi-Fi. Xirrus manufactures the patented Wi-Fi Array platform that integrates up to 16 radios with an onboard Gigabit Switch, Wi-Fi Controller, Firewall, and dedicated Wi-Fi Threat Sensor into a single device. The Xirrus solution delivers 2X the range, 4X the coverage, 13X the throughput, and requires 75% less devices, cabling, switch ports, and installation time compared to any competitive solution. Xirrus Wi-Fi Arrays are ideal for any organization deploying Wi-Fi, especially those that require support for large coverage areas, dense user populations, and high bandwidth applications.

Xirrus is a privately-held company headquartered in Westlake Village, California. For more information, please visit www.xirrus.com.

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