PHS

Joint Offer to Leverage ArrayComm’s Advanced Multi-antenna Signal Processing and Alvarion’s Industry-leading WiMAX Platform in 4Motion Mobile WiMAX Solution

TEL AVIV, ISRAEL and SAN JOSE, CALIFORNIA, July 26, 2007 — Alvarion Ltd. (NASDAQ: ALVR) and ArrayComm LLC, announced today their ongoing technology partnership for integration of ArrayComm’s multi-antenna signal processing software (A-MASTM) into Alvarion’s 4Motion’s Radio Access Network Solutions.

Alvarion is the world’s leading provider of WiMAX and wireless broadband solutions. Its all-IP OPEN WiMAX ecosystem opens the door to complete, best-of-breed networks that optimize all elements of a WiMAX network – from core equipment and service offerings to end-devices and even the end-user’s experience.

Alvarion’s WiMAX platform will leverage ArrayComm’s A-MASTM Advanced Multi-Antenna software in order to offer 2 to 4 times more coverage and spectral efficiency than the WiMAX Forum’sTM baseline profiles, through a unique combination of Beamforming, MIMO and adaptive interference cancellation, while maintaining full profile and standards compliance.

PHS (Personal Handyphone System)

Digital mobile telephone system according to Japanese standard in the frequency range 1900Mhz. (Ericsson)