<Li> 802.15 PANs (e.g. Bluetooth, ZigBee): 2.4 GHz </Li> <Li> Cordless phones: 900 MHz, 1.9 (U-PCS), 2.4 GHz, 5 GHz (U-NII) </Li> <Li> Microbroadcasting, often by hobbyists, or on college or high school campuses . </Li> <Li> Small FM radio transmitters designed to hook to the audio output of an iPod or other portable audio device and broadcast the audio so that it can be heard through a car audio system that is not equipped with an audio input . </Li>

What is part 15 of the fcc rules