Chelmsford, MA and Tokyo, February 2, 2010 —  Airvana, Inc. (NASDAQ: AIRV), today announced that it has been selected to provide KDDI with its 3G CDMA femtocells and Femtocell Service Manager, as part of a comprehensive solution being delivered by Hitachi.  Femtocells are home-based cellular access points that use a subscriber’s existing broadband connection to provide enhanced voice coverage and data performance for mobile phones indoors.

KDDI, Japan’s second largest mobile operator, is known for its dedication to communications innovation and customer satisfaction.  In 2008, Airvana and Hitachi announced a femtocell partnership for the Japanese market.

Airvana’s contribution to the joint solution includes its HubBub™ CDMA femtocell which is unique in the industry for its simultaneous support of both 1x-RTT and 3G EV-DO services; the Femtocell Service Manager (FSM) for massive-scale device management and automated network planning; and the  FNG femtocell network gateway.  Hitachi will provide core network equipment to connect the HubBub femtocell system into KDDI’s core network. Airvana’s femtocell and Hitachi’s call processing server both use SIP control signaling to transparently support existing CDMA 1x calling functions in the network.  Hitachi will also act as the overall system integrator to ensure interoperability between the femtocell network, the macro EV-DO radio access network and the core network infrastructure.

“Femtocells will benefit KDDI’s customers by improving coverage and performance,” explained Randy Battat, President and CEO, Airvana.  “The combination of Airvana’s femtocell products and Hitachi’s core-network equipment and services brings femtocell benefits to existing operator networks and business systems.”

KDDI plans to commence trials of the combined Hitachi-Airvana femtocell solution in March 2010.

About Airvana
Airvana helps operators transform the mobile experience for users worldwide.  The company’s high-performance technology and products, from comprehensive 3G femtocell solutions based on its HubBub™ CDMA and UMTS femtocells, to core mobile broadband network infrastructure, enable operators to deliver compelling broadband services to mobile subscribers, wherever they are.  Airvana’s products are deployed in 70 commercial networks on six continents.  The company is headquartered in Chelmsford, Mass., USA, with offices worldwide.  For more information, please visit www.airvana.com.

Safe Harbor Statement
Any statements in this press release that are not historical facts constitute forward-looking statements within the meaning of The Private Securities Litigation Reform Act of 1995. These statements typically contain the words "believes," "anticipates," "plans," "expects," “could,” “should,” "will," “continue” or similar expressions. Actual results may differ materially from those indicated by such forward-looking statements as a result of various important factors, including without limitation uncertainties as to the timing of the merger of Airvana, the timing and rate of femtocell market acceptance and growth, operator femtocell deployment plans, the highly competitive and rapidly evolving market in which Airvana competes, Airvana’s limited operating history, the fluctuation of its past operating results, Airvana’s anticipated reliance on sales through  Telefon AB L.M. Ericsson for a significant portion of its revenues and product and service billings and other factors discussed in Airvana’s filings with the Securities and Exchange Commission.  In addition, the forward-looking statements included in this press release represent Airvana’s views as of the date of this press release. Airvana anticipates that subsequent events and developments may cause its views to change.  While Airvana may elect to update these forward-looking statements at some point in the future, it specifically disclaims any obligation to do so. These forward-looking statements should not be relied upon as representing Airvana’s views as of any date subsequent to the date of this press release.

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