BT begins trial of 'revolutionary' hollow core fibre cables

Air-filled cables currently being tested in Ipswich could reduce signal delay by up to 50%

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Andrew Lord , Bt Head Of Optical Network Research , Adastral Park , Optical Network , ஆண்ட்ரூ ஆண்டவர் , ஒளியியல் வலைப்பின்னல் ,