Handheld Transmitter for QWM1970 Radio Mics. Requires 2 x AA Batteries. Selectable FrequenciesBatteries: 2 x AA Carrier Frequency: 863-865MHz (Unlicensed) or 606-615MHz (Licensed). UHF handheld Transmitter for the Q-Audio QWM1970 radio mic systems. Available in license free or licensed bands.. UHF transmitter for the Q Audio QWM1970- available with a choice of frequency.. radio mic-handheld radio mic
