BT Group plc is a British multinational telecommunications holding company headquartered in London, England. It has operations in around 180 countries and is the largest provider of fixed-line, broadband and mobile services in the UK, and also provides subscription television and IT services.
Telecommunications in the United Kingdom have evolved from the early days of the telegraph to modern broadband and mobile phone networks with Internet services.
The BT Tower is a grade II listed communications tower in Fitzrovia, London, England, owned by BT Group, also known as the British Telecommunications Tower, GPO Tower, the Post Office Tower, and Telecom Tower. The main structure is 581 feet (177 m) high, with a further section of aerial rigging bringing the total height to 620 feet (189 m).
Telecommunications towers in the United Kingdom are operated mainly by Arqiva. Arqiva operates the transmitters for UK terrestrial TV and most radio broadcasting, both analogue and digital. BT also operates a number of telecommunications towers in the UK.
O2 (typeset as O2) is a global brand name owned by the Spanish telecommunications company Telefónica. The company uses the O2 brand for its subsidiaries in the United Kingdom and Germany. Since 2018, it is also used as an online-only flanker brand in Spain.
BT Communications (Ireland) Limited is a telecommunications and internet company in Ireland. It is a subsidiary of BT Group plc.
Telfort was a brand of Dutch mobile telecommunication company KPN.
The Peterborough transmitting station is a broadcasting and telecommunications facility at Morborne Hill, near Peterborough, England.
The BT Tower, formerly known as the Post Office Tower and the GPO Tower, is a landmark and telecommunications tower in Birmingham, England. It is the tallest structure in the city. Its post office code was YBMR.
The One Per Desk, or OPD, was an innovative hybrid personal computer/telecommunications terminal based on the hardware of the Sinclair QL. The One Per Desk was built by International Computers Limited (ICL) and launched in the United Kingdom in 1984. It was the result of a collaborative project between ICL, Sinclair Research and British Telecom begun in 1983, originally intended to incorporate Sinclair's flat-screen CRT technology.
Pye Green BT Tower is a 96.9-metre (318 ft) tall telecommunication tower built of reinforced concrete at Pye Green, Staffordshire, England. Standing on the far southern edge of Cannock Chase, it is one of fourteen telecommunication towers in the United Kingdom built of reinforced concrete. Pye Green was constructed as part of the British Cold War "Backbone" radio communications network.
Purdown BT Tower, also known as Purdown Transmitter, is a 70.1 metres (230 ft) tall telecommunications tower in Bristol, England. Built in 1970 for the British Telecom microwave network, it is now used to transmit radio and provide mobile phone coverage.
The Heaton Park BT Tower is a 238-foot (72.54-metre) tall concrete telecommunications tower located next to Heaton Park Reservoir in Manchester, England. Heaton Park BT Tower is one of the few British towers built of reinforced concrete, and one of seven BT towers of the 'Chilterns' design.
Stokenchurch BT Tower is a telecommunications tower built of reinforced concrete at Stokenchurch, Buckinghamshire, England. Reaching to 340.5 metres (1,117 ft) above mean sea level, it dates from 1963 and is 99.4 metres (326 ft) tall. There are four platforms at the top that are used to attach microwave transmission drums and other antennas.
Concert Communications Services was a $1 billion joint venture, originally launched in June 1994 by BT Group and MCI Communications. Portugal Telecom became a partner in 1997.
Adastral Park is a science campus based on part of the old Royal Air Force Station at Martlesham Heath, near Ipswich in the English county of Suffolk.
St. Martin's Le Grand is a former liberty within the City of London, and is the name of a street north of Newgate Street and Cheapside and south of Aldersgate Street. It forms the southernmost section of the A1 road. For many years St. Martin's Le Grand was "often used as a synonym for the chief postal authorities, as Scotland Yard is used to designate the police", the headquarters of the General Post Office having been there from 1829-1984.
81 Newgate Street is a 10-storey office building on Newgate Street in the City of London, opposite St Paul's tube station. It opened in its current state in June 1984.
O₂ UK is a British telecommunications services provider, headquartered in Slough, England which operates under the O2 brand. It is owned by Virgin Media O2, a 50:50 joint venture between Telefónica and Liberty Global. O2 is the UK's largest mobile network operator, with 31.3 million subscribers as of September 2021.
Mondial House was a main telecommunications hub in central London on the banks of the River Thames. It was known as an international switching centre (ISC). Built in 1978 the building was seen as controversially modern-looking. It was demolished in 2006.
