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Wireless Cable

Wireless cable, or multichannel multipoint distribution service (MMDS), transmits voice, video and data at speeds approaching 2 Mbps via microwave frequencies using a network that includes a main tran...


February 1, 2001  


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Wireless cable, or multichannel multipoint distribution service (MMDS), transmits voice, video and data at speeds approaching 2 Mbps via microwave frequencies using a network that includes a main transmitter and multiple repeaters.

Signals, operating on the 2.5-GHz portion of the electromagnetic spectrum, are sent to small receiving antennas on subscribers’ rooftops. These are routed into the home through coaxial cable and then a descrambler.

Although MMDS is a line-of-sight (LOS) technology, it can circumvent certain obstructions using high-powered repeaters or low-powered “beambenders”, which retransmit an otherwise blocked signal.


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