BT has Fallen in Love with G.fast and Its Successor XG.FAST

BT and Alcatel-Lucent have announced tests of the new XG.FAST copper wire based on technology that is capable of up to 5 Gbps.

Yes, G! Not M as in Mbps!

The two companies said they are conducting early lab trials of the experimental XG.FAST, which they said demonstrates that “G.fast technology is future proof.”

 

BT HQ St Pauls London

BT: Top brass have started a love affair with G.Fast

 

Speeds of 1.8 Gbps have been reached in trials at a distance of over 100 meters. The two said they give BT confidence that “G.fast is a future proof technology.” Since 2007 BT has been a major backer (and pusher) of G.fast in all its iterations. A multi-gigabyte G.fast would help BT provide fiber-like speeds to consumers and at a much lower cost of deployment.

XG.FAST has delivered aggregate speeds of 5.6 Gbps over 35 meters of BT cable, a record for full-duplex data transmission over a standard single BT line at this distance. It provided aggregate speeds of 1.8 Gbps over 100 meters. That’s a significant distance because most UK residences are within 100 meters of their nearest distribution point – on a pole or in a box.

BT has promised to deliver ultrafast speeds to 10 million premises by the end of 2020, and to most of the UK by the end of 2025. G.fast is currently being trialed by BT’s Openreach in Huntingdon and Gosforth, Newcastle at speeds up to 330 Mbps down. If the trials prove successful, and BT added, if UK regulation continues to encourage investment, it aims to start deploying G.fast in 2016/17 together with its fiber-to-the-cabinet and fiber-to-the-premises services. It expects G.fast speeds to increase up to 500 Mbps.

BT said G.fast will transform the UK’s broadband landscape and be a technology that has room for significant improvement.

Mike Galvin, managing director of next generation access for BT’s technology service & operations division, said: “We know that G.fast will transform the UK’s broadband landscape but these results also give us confidence the technology has significant headroom should we need it in the future. Those who argue otherwise …

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