Have your own FM radio station. Any stereo signal you plug into the FMST-100 transmitter kit will be transmitted to any FM radio tunable from 88 to 108MHz FM. Plug in your CD player, tape deck and have a wireless link to any FM radio, within 150 ft. Listen to your CD while mowing the lawn. Transmit from your car to your camper, or throughout an auditorium. Transmit music on one channel, sing on the other. Compatible with any of your audio system components. Clarity is excellent, approximately 40dB stereo separation. Length of antenna determines distance of transmission. Comes complete with left & right input level control as well as a crystal for left & right stereo separation.