The Electric Telegraph Company is founded – the world’s first public telegraph company, and BT’s earliest predecessor.
Marconi demonstrated his ‘telegraphy without wires’ from the roof of the Post Office Central Telegraph Office in London.
The birth of British TV. We supported John Logie Baird in the development of television, carrying his early broadcasts over telephone lines from London to Glasgow.
Post Office research engineers designed and constructed Colossus, the world’s first programmable computer, to break codes at Bletchley Park.
The Post Office Satellite Earth Station took part in the first transatlantic television transmission made via an artificial satellite – Telstar.
The Post Office Tower (now the BT Tower) is opened in London, the hub of a microwave radio network to meet increased demand for telephone and television broadcasting.
Post Office Telecommunications research engineers processed glass pure enough to be of practical use in optical fibre cables.
Post Office Telecommunications launched Prestel, the world’s first viewdata network and a precursor to the internet.
Adastral Park’s satellite dishes beamed television signals for Europe’s first satellite transmission service.
We tested our video on demand service between Ipswich and Colchester using asymmetric digital subscriber line (ADSL) over copper cables, with a set-top box from Apple.
BT pushed commercial optical fibre transmission to 80 Gigabits per second. Our labs demonstrated the world’s fastest regenerator – a photonic digital network component.
BT’s new business systems allowed the launch of the UK’s first commercial broadband internet access service.
The Home Hub 3 wireless broadband router automatically avoids interference from other electronic devices or wiring.
World’s fastest fibre optic transmission on single-mode fibre in a real world environment – 3 Terabits per second.
BT announced large scale trials of groundbreaking G.fast technology, delivering ultrafast broadband speeds of several hundred Mbps.
BT announced new role for Adastral Park supporting cutting edge research into quantum communications technologies, with potential to transform network security.
In August 2015 BT launched Europe’s first 4K channel – dedicated to BT’s sports coverage – BT Sport Ultra HD.