Subscribers to Kyocera's iBurst™ Mobile Wireless Broadband Internet Service Exceed 140,000 Worldwide

Kyocera plans to expand iBurst deployment to 20 nations by the end of 2007

KYOTO, Japan--(BUSINESS WIRE)--Kyocera Corporation (President: Makoto Kawamura) announced today that the number of iBurst? subscribers worldwide now exceeds 140,000, with continued growth anticipated. Currently deployed in 10 nations ? including South Africa, the United States, Canada and Australia ? iBurst has proven to offer a successful business model as the world's only commercially available mobile wireless broadband Internet access technology.

iBurst is an "always-on," IP-centric, mobile, high-speed wireless access system manufactured by Kyocera Corporation. It provides approximately 1Mbps (downlink) packet data service per user simultaneously at a frequency range of only 5MHz, and supports VoIP with a quality level equivalent to fixed telephony. iBurst also has the capability for handover and mobility at speeds of up to 120 kilometers per hour (about 72 mph) as verified under real-world conditions in network tests.

Due to its advanced security capabilities, iBurst is used both by consumers and in special-purpose commercial applications, including monitoring, security and public safety. The system's strength lies in its low "total cost of ownership" ? requiring minimal capital expenditures and low operating expenses on the part of the carrier ? while delivering performance superior to that of today's 3G, HSDPA or WiMAX technologies.

iBurst was standardized as HC-SDMA (High-Capacity Spatial-Division Multiple Access) technology by the American National Standards Institute (ANSI) in September 2005. Additionally, HC-SDMA was included in the ITU-R M. 1801 Recommendation for Mobile and Nomadic Applications in March 2007 by the International Telecommunication Union.

"Kyocera will continue to develop the iBurst system in both technology and market appeal, adding capabilities and new equipment models," stated Mr. Masashi Yano, Deputy General Manager of Corporate Communication System Equipment Division, Kyocera Corporation. "We are targeting iBurst commercialization in 20 nations by the end of 2007."