In order to receive satellite broadcasting (BS and CS) and terrestrial broadcasting (VHF and UHF), complicated wiring is required in a personal residence for transmitting broadcasting signals to a plurality of TV receivers while new distributors must be additionally set for installing additional TV receivers...http://www.google.de/patents/US7020890?utm_source=gb-gplus-sharePatent US7020890 - Millimeter wave transmitter, millimeter wave receiver and millimeter wave communication system enabling simplification of wiring and improvement in degree of freedom for setting receiver in receiving system for terrestrial broadcasting and satellite broadcasting