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
Communications Technology High School Communications Technology High School. The current principal is Colette Langston. Communications Technology High School students are required to wear school uniforms. The uniforms are white golf shirts with the school's name on the right or black shirts with navy blue or black khaki bottoms and skirts. SEPTA serves routes 36, 37, 108 and the 400-series. Communications Technology High School Communications Technology High School was a secondary high school serving grades 9–12 and the school is located at 8110 Lyons Avenue in Hedgerow neighborhood of Philadelphia, Pennsylvania. It was part of the School District of Philadelphia's Comprehensive High School Region. The