Patent ID: 8497940

Claim:
A method of communicating within a wireless microphone system having a plurality of audio channels comprising: dividing a small block of radio frequency spectrum associated with a single television broadcast channel into a plurality of at least 20 contiguous subchannels that are also contiguous with the boundaries of the television broadcast channel where each of the subchannels is less than 75 kHz; receiving a channel assignment for operation of a microphone transmitter on one of the plurality of at least 20 contiguous subchannels through a user interface of a microphone receiver from a user; the microphone transmitter upon activation proceeding to a default frequency, receiving the channel assignment, tuning to the assigned channel and transmitting an audio signal on the assigned subchannel through a radio frequency isolator or other means for suppressing intermodulation energy coupled between a transmitter and an antenna of the microphone transmitter; and receiving the audio signal through the microphone receiver.