O2 (UK) first commercial General Packet Radio Service. BT Cellnet, together with BT Group's mobile telecommunications businesses in Germany, Ireland and the Netherlands, was part of the BT Wireless division. This was spun off from the BT Group in 2002 to form a new holding company, mmO2 plc, which introduced the new "O2" brand for the businesses. In 2005, mmO2 plc was renamed O2 plc. O2 plc was purchased by the Spanish telecommunications company Telefónica in 2006 for £18 billion. Under the terms of the acquisition, Telefónica agreed to retain the "O2" brand and the company's UK headquarters. O2 plc became Telefónica
Kyocera Communications Kyocera Communications Kyocera Communications, Inc. (pronounced like: key-oh-sarah) is an American manufacturer of mobile phones for wireless service providers in the United States and Canada. Kyocera Communications, Inc. is a wholly owned subsidiary of Kyocera Corporation, which also manufactures mobile phones for the Japanese wireless market under various brands. Kyocera Wireless, Inc. was originally formed in February 2000 when Kyocera acquired QUALCOMM's San Diego, California-based terrestrial handset division. Upon the purchase of QUALCOMM's business unit, Kyocera formed Kyocera Wireless Corp. (KWC) headquartered in San Diego. KWC was a wholly owned subsidiary of Kyocera International, Inc. the North American holding company