This microphone is compatible with many wireless A/V transmitters (900 Mhz 1,3 Ghz , 2,4 Ghz 5,8Ghz, Airwace, Lawmate and Parton modules Etc.... ) Very popular microphone for FPV.
Features:
Three wire cable with bare leads (no connector)
Operates on 3 to 15VDC
4 mA
Weight 3 grams
Size 1.5 x 0.7 Cm