BT trials hollow core fibre that could boost 5G

BT is conducting trials of a new type of fibre cable that could improve the economics of mobile network construction and result in better quality 5G services for consumers and businesses.

Fibre networks are currently powered single-mode optical fibre cables that use solid strands of glass to channel light from laser transmitters over long distances. Although fibre cables do this remarkably quickly, the nature of glass means the light travels slower in fibre than it would in air.

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