BT Infinity is the new fibre broadband offering from British Telecom.
The new fibre broadband network that BT is installing comprises of both FTTC (Fibre To The Cabinet) and FTTH (Fibre To The Home) with BT calling this fibre optic network BT Infinity.
The "BT Infinity" network will be able to offer broadband speeds of up to 40Mb download speeds for those who have a FTTC connection, this is the type of connection that BT will be installing for most of the UK. However some who receive a FTTH connection will be able to receive fibre broadband speeds of up to 100Mb.
FTTC is where BT will make the fibre connection up to the local street side cabinet and then the standard copper wires will be used to deliver it from there to the house, those with a FTTH connection will have the fibre BT Infinity fibre optic cable to their actual premises and not have any copper wires to deliver their broadband.
BT have set a target of having 10 million UK homes connected to their BT Infinity network and receiving fibre broadband by the 2012 Olympic Games that are to be help in the UK.