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NEC has a new wireless video transmission technology using the 60GHz band, and has already developed a palm-sized transceiver just for it. Video and audio signals are digitized into a signal measuring about 1Gbps, at which point they're transferred using "ASK," the same high speed transmission used in optical fiber. Because of the small size and throughput of this unit, NEC suggests them for wireless HDTV transmissions.

Press Release [NEC]