This tiny 88-108Mhz FM transmitter bug measures just 10mm x 17mm in size and as you can see in the photos the biggest components are just the microphone and the battery. So we've already seen mint can MP3 players and mint can amplifiers for guitars and tons of other projects, why not an FM bug transmitter? Well for starters Provide power for your devices while on the road with the selection of this useful Anker F3 Bluetooth FM Transmitter. Convenient to handle Bluetooth FM Transmitter car kit lets you make hands-free calls and play songs direct from smartphone to your Car Stereo. There are Bluetooth Introduction The Low Power FM (LPFM) radio service was created by the Commission in January 2000. LPFM stations are authorized for noncommercial educational.