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What is HD wireless transmission?
Not all that new actually. The technology has been around for at least a couple of years to transmit a high enough data rate to send high definition video bitstreams through the electromagnetic spectrum.
Wi-Fi standards have been put forward as an HD possibilty but even the fastest standard, 802.11n, is too slow by about half the required rate. HD can be transmitted via ultrawideband too but compression is needed to get the data across, the end result is not full HD reproduction at the recieving end.
The two main competing protocols now are WiHD and WHDI. Both of these can transmit HD video to wired equivalent transmission rates.
I will say more about it in a later post - too tired right now, going to bed.