A "walkman" or iPod with an FM radio uses the headphone cord as the antenna! Except in strong signal areas (nearby a transmitter) none of these perform very well. Signals they receive are usually ...

A device that adapts an MP3 player or other portable audio source to a car's audio system via the FM radio. It retransmits ... which is picked up by the car's antenna. Also called an "FM modulator." ...

An FM transmitter allows a phone to broadcast music stored in its memory on FM frequencies, so that it can be tuned into a nearby FM receiver such as a a car radio. FM transmitters are not a ...