O2 (UK) sale units, and with handset manufacturers, such as Apple and Samsung, to enable NFC technology on all future devices. On 23 February 2011, O2 announced it would launch a "second phase" for O2 Money, by discontinuing its branded cash cards in favour of a "mobile wallet" application for Android and iOS devices. The application would use NFC technology embedded in a phone to access money. It was announced on 9 January 2014 that the O2 wallet service would close on 31 March 2014. The BT Cellnet consumer brand was renamed O – the chemical symbol for an oxygen molecule –
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