Multi-carrier EV-DO

Airvana Announces Innovations in EV-DO Technology

New Software Release Enables Advanced Push-to-Talk Services and Delivers Unprecedented Mobile Broadband Network Scalability

Chelmsford, MA, November 28, 2007 — Airvana, Inc. (Nasdaq: AIRV), a leading provider of mobile broadband infrastructure products, today announced availability of the company’s latest EV-DO technology, which will allow operators to accelerate the roll-out of next-generation services such as IP-based push-to-talk.

Further, with the availability of Airvana’s pioneering radio network controller (RNC) clustering technology, operators can efficiently scale their networks to meet ever increasing subscriber demand. EV-DO is a wireless technology that delivers high-speed mobile Internet, multimedia and entertainment services to millions of subscribers worldwide.

Airvana Successfully Completes Multi-Carrier CDMA2000 1XEV-DO REV B Call

Technology will allow operators to gain experience with 4G-like services

Chelmsford, MA, July 26, 2007 — Airvana, Inc. a leading provider of network infrastructure products used by wireless operators to provide mobile broadband services, today announced it has successfully completed a multi-carrier CDMA2000 1xEV-DO Revision B (Rev B) call in its development laboratory, a major step towards commercialization.

“Multi-carrier EV-DO will enable operators to deliver a new generation of bandwidth–hungry applications,” said Vedat Eyuboglu, CTO of Airvana. “By leveraging their Rev A hardware investment, operators can start gaining experience with 4G-like services at a fraction of the capital investment required to build 4G networks.”

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