Patent ID: 6985716

Claim:
A system for broadcasting a netted radio signal, comprising: a first transmitting device for transmitting a first signal on a first carrier frequency; a relay device for receiving the first signal on the first carrier frequency and transmitting the first signal on second and third carrier frequencies; at least a first receiving device which receives the first signal on the second carrier frequency after the first receiving device registers with the system as an authorized receiving device for the first signal; and, at least a receiving device which receives the first signal on the third carrier frequency after the second receiving device registers with the system as another authorized receiving device for the first signal; and further comprising: a second transmitting device for transmitting a second signal on a fourth carrier frequency; at least a third receiving device for receiving the second signal on a fifth carrier frequency; and at least a fourth receiving device for receiving the second signal on the sixth carrier frequency, wherein the relay device for receives the second signal on the fourth carrier frequency and transmits the second signal on the fifth and sixth carrier frequencies.