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LMDS

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LMDS is a **DS family technology but it uses much higher frequencies - K-band, Ka-band (20 - 40 GHz). It offers much wider frequncy range, which means more TV channels. Also, due to relatively short wavelengths, the physical dimensions of the transmitting/receiving equipment are small. In addition 20 - 40 GHz frequency range usually is unloaded. But it has several disadvantages: expensive, because of the high cost of subscriber receiver; RF equipment is not so widespread and available as lower frequency one. But it useful or even irreplaceable in some situations.

ParameterLMDS (K-band, Ka-band) 
Operation frequency range, GHz  20.0 - 30.0
Broadcasting standards  DVB-S/S2 or DVB-T
Modulation types  QPSK, 8PSK or COFDM 
Coverage zone with one transmitter  up to 5km
Repeater Hops without regeneration  none
Repeater Hops with reregeration unlimited
Cost of user's equipment  Expensive, because of the high cost of subscriber receiver
A possible way to receive  collective

 

For typical solutions see: MVDS/MITRIS .