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Airvana Releases New EV-DO Software Products to Address Rapidly Growing Demand for Mobile Data Services
Jul 07, 2008 (08:07 AM EDT)

CHELMSFORD, Mass., July 7 /PRNewswire-FirstCall/ -- Airvana, Inc. , the company transforming the mobile experience, today announced the release of the company's latest CDMA 1xEV-DO Rev. A software. This release, which was delivered in June, enables mobile operators to more efficiently increase capacity and accelerate the roll-out of next-generation multimedia services. EV-DO is the wireless technology providing the engine of growth for CDMA operators around the world by enabling high-speed mobile Internet, multimedia and entertainment applications.

The release of Airvana's new EV-DO technology enables operators to prepare their networks to support the continuing growth in mobile broadband usage and deliver the services and consistent user experience demanded by subscribers. Specifically, the latest release implements an important upgrade to Airvana's pioneering and patent-pending RNC clustering technology which significantly increases the number of sites that can be incorporated into a cluster. The RNC is a critical network element that manages subscriber sessions, connects users to an operator's IP network and maintains connectivity as users move across cell boundaries. With Airvana's RNC clustering, operators can deploy multiple RNCs without introducing any RNC borders that can cause service interruptions as subscribers cross them. This benefit is especially important for delay-sensitive applications such as push-to-talk and push-to-video. The result is that multiple RNCs behave like a single, virtual RNC that can serve a very large number of subscribers across a large geographic area with an improved mobile broadband experience.

Additionally, Airvana has introduced two important capabilities in the latest release: tiered service levels and multi-carrier load balancing (MCLB). Tiered service levels allow operators to differentiate data service levels based on specified business rules. For example, an operator might choose to offer priority service to subscribers over roamers. MCLB enables operators to use their cell sites more efficiently, and provide more consistent user experience, especially during peak hours. Both features will improve the quality of subscriber sessions for increasingly popular mobile services such as GPS navigation and media streaming.

"Providing a quality user experience is critical to an operator's success in driving the adoption of new services and generating new revenue streams," said David Nowicki, vice president of marketing and product management, Airvana. "We address that with the latest release of our EV-DO technology, which is designed specifically to give operators the technology foundation required to provide services with the most consistent, reliable experience possible."

Airvana has demonstrated consistent success in delivering EV-DO equipment for operators' macro-cellular networks worldwide. The company's award-winning IP-based radio network technology is deployed in over 70 operator networks with access to hundreds of millions of CDMA subscribers worldwide.

About Airvana

Airvana specializes in helping operators to transform the mobile experience for users worldwide. The company's high-performance technology and products, from comprehensive femtocell solutions to core mobile network infrastructure, enable operators to deliver broadband services to mobile devices, independent of physical location. Airvana is headquartered in Chelmsford, Mass., USA, with additional offices in the United Kingdom, China, India, Japan and Korea. For more information, please visit the company's Web site at .

Safe Harbor Statement

Any statements in this press release about future expectations, plans and prospects for Airvana 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," "will", "continue" and 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 the highly competitive and rapidly evolving market in which Airvana competes, Airvana's limited operating history, the fluctuation of its past operating results and its reliance on sales through Nortel 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.

Airvana Contacts: Media Contact Robert Morton Davies Murphy Group (781) 418-2460 Investor Contact David Reichman Sharon Merrill Associates (617) 542-5300

CONTACT: Media, Robert Morton of Davies Murphy Group for Airvana, Inc.,, ; or Investors, David Reichman ofSharon Merrill Associates, +1-617-542-5300,

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