Press Releases

May 30, 2005

Stonebridge Wireless Broadband Builds Regional Network With Alvarion BreezeACCESS� Platform

High Capacity OFDM Equipment Now Enables Broadband Services to Urban and Rural Areas of Minnesota, Wisconsin and Michigan

Mountain View, California, and Tel Aviv, Israel, May 31, 2005 � Alvarion Ltd, (NASDAQ: ALVR), the global leader in wireless broadband solutions and specialized mobile systems, today announced the completion of Stonebridge Wireless Broadband�s regional rollout and the beginning of expansion into new regions. To date, Stonebridge has cumulatively purchased and deployed approximately $2.5 million of Alvarion�s BreezeACCESS wireless broadband equipment to provide broadband connections primarily to business customers and maintain its high average revenue per user (ARPU).

�We�ve made good decisions and so far we�ve hit all our early targets - we have an enviable ARPU, are profitable, and have earned a regional reputation for both technical and operational excellence,� commented Stephen Gowdy, CEO and president of Stonebridge Wireless Broadband. �It�s the right time for us to expand beyond our home region. Our choice of Alvarion as our technology supplier was among our smartest early decisions and we look forward to growing with Alvarion.�

Using multiple unlicensed frequency bands including 900MHz, 2.4GHz, and 5GHz, the Stonebridge network reaches approximately one hundred communities in three upper Midwest states, covering over 1,000 square miles in Minnesota, western Wisconsin, and parts of Michigan. BreezeACCESS VL, Alvarion�s OFDM-based multipoint solution operating in 5GHz, forms the core of the last mile network and permits individual connections to business customers up to 26Mbps. Stonebridge also leverages Alvarion�s backhaul product portfolio to connect most of the fifty tower locations and BreezeACCESS 900 is used to connect customers in neighborhoods with dense foliage. All frequency versions integrate seamlessly into the BreezeACCESS base station chassis.

�Stonebridge is an excellent example of the new generation of broadband carriers,� said Amir Rosenzweig, President of Alvarion, Inc. �Given their proven ability to successfully execute their network plans, Alvarion is proud to be their �backbone to edge� broadband solution provider, and we look forward to supporting them as they grow their network and their business.�

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About Stonebridge Wireless Broadband

StoneBridge Wireless Broadband is a privately-held Wireless Internet Service Provider (WISP) based in Minneapolis/St. Paul, Minnesota. StoneBridge�s fixed wireless broadband network delivers high-speed Internet access that supports bundled data, VoIP, bandwidth on demand, wireless redundancy, VPNs, email, video services and more. StoneBridge utilizes Line of Sight (LOS) and Non-Line of Sight (NLOS) technologies to transmit signal from centrally located towers to customer locations. Access speed can range from 400Kbps to 45Mbps symmetrical up and down. Services can be obtained by contacting sales directly or our partner resellers.

For more information, go to www.sbwireless.net or call us at 952-548-8880.

About Alvarion

With more than 2 million units deployed in 130 countries, Alvarion is the worldwide leader in wireless broadband providing systems to carriers, ISPs and private network operators, and also in extending coverage of GSM and CDMA mobile networks to developing countries and other hard to serve areas.

Leading the WiMAX revolution, Alvarion has the most extensive deployments and proven product portfolio in the industry covering the full range of frequency bands with both fixed and mobile solutions. Alvarion�s products enable the delivery of business and residential broadband access, corporate VPNs, toll quality telephony, mobile base station feeding, hotspot coverage extension, community interconnection, public safety communications, and mobile voice and data. Alvarion works with several global OEM providers and more than 200 local partners to support its diverse global customer base in solving their last-mile challenges.

As a wireless broadband pioneer, Alvarion has been driving and delivering innovations for more than ten years from core technology developments to creating and promoting industry standards. Leveraging its key roles in the IEEE and HiperMAN standards committees and experience in deploying OFDM-based systems, the Company's prominent work in the WiMAX Forum is focused on increasing widespread adoption of standards-based products in the wireless broadband market and leading the entire industry to mobile WiMAX solutions.

For more information, visit Alvarion�s World Wide Web site at www.alvarion.com

This press release contains forward -looking statements within the meaning of the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995. These statements are based on the current expectations or beliefs of Alvarion�s management and are subject to a number of factors and uncertainties that could cause actual results to differ materially from those described in the forward -looking statements. The following factors, among others, could cause actual results to differ materially from those described in the forward-looking statements: inability to further identify, develop and achieve success for new products, services and technologies; increased competition and its effect on pricing, spending, third-party relationships and revenues; as well as the in ability to establish and maintain relationships with commerce, advertising, marketing, and technology providers and other risks detailed from time to time in filings with the Securities and Exchange Commission.

Information set forth in this press release pertaining to third parties has not been independently verified by Alvarion and is based solely on publicly available information or on information provided to Alvarion by such third parties for inclusion in this press release. The web sites appearing in this press release are not and will not be included or incorporated by reference in any filing made by Alvarion with the Securities and Exchange Commission, which this press release will be a part of.

You may request Alvarion's future press releases or a complete Investor Kit by contacting Carmen Deville, Investor Relations: carmen.deville@alvarion.com or +1-760-517-3188.

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