German telecoms giant Deutsche Telekom (DT) has announced that researchers at its Telekom Innovation Laboratories (T-Labs) have realised a 512Gbps transmission over a single fibre-optic wavelength channel, which the company claims has broken the transmission speed record. The signals were sent over a distance of 734km from Berlin to Hanover and back again. DT said the usable bit rate was 400Gbps, around four times faster than current top speeds
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OVETEL DT achieves 512Gbps over fibre-optic network
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