Super-fast wifi 100 times faster than today is on the horizon using high-frequency radiation waves.

US researchers have for the first time been able to send video signals using terahertz, rather than traditional microwaves.

Terahertz waves, which are high-frequency radiation, allow data to travel at 50 gigabits a second. That offers streaming speeds about 100 times faster than those possible today, in which wireless networks reach a top speed of 500 megabytes.

Professor Daniel Mittleman, from Brown University in the US, said: ‘We showed that we can transmit separate data streams on terahertz waves at very high speeds and with very low error rates.

‘This is the first time anybody has characterized a terahertz multiplexing system using actual data, and our results show that our approach could be viable in future terahertz wireless networks.’

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