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Experimental lab trials into broadband technology conducted by BT and Alcatel Lucent have reportedly yielded broadband speeds of 5Gbps.

XG.FAST, a potential future development of, is in the early stages of lab testing, but has exceeded expectations in trials at Adastral Park, BT’s global research and development site in Suffolk, and Alcatel-Lucent’s labs in Antwerp. has been pioneered by BT's research and development team and industry partners since 2007 and this latest breakthrough will increase confidence that the technology can help strengthen the UK's position as the leading digital economy in the G20.

The underlying principle behind the technology is that it allows for the delivery of ultrafast broadband without the disruptions and expenses that come with laying fibre all the way to a home or business, meaning it can be rolled out at a far quicker rate.

The technology is also at the heart of plans for BT's Openreach network to deliver ultrafast speeds to 10 million premises by the end of 2020.

Openreach is already trialling in Huntingdon and Gosforth, giving pilot users access to speeds of up to 330Mbps, which is more than 10 times the current UK average.

If successful, BT expects speeds to rise to up to 500Mbps as the technology is rolled out across the country.

Speaking about the latest results, Mike Galvin, Managing Director of Next Generation Access for BT’s Technology Service & Operations division said: “We know that 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.

“The UK already boasts the biggest fibre footprint among major European nations, as well as the highest take up, but it is vital we continue to invest. That is why we have announced plans to get ultrafast broadband to ten million premises by the end of 2020 and to most of the UK by 2025. is the ideal technology as it can be deployed at scale and speed, allowing as many people to benefit a soon as possible."

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