OMNITRONIC WAMS-65BT is a fixed-frequency UHF bodypack transmitter supplied with a condenser headset microphone. It operates at 865 MHz with a 40 Hz–18 kHz frequency response, greater than 105 dB signal-to-noise ratio and less than 0.5% THD at 1 kHz. The transmitter provides up to 50 m line-of-sight range, has a 3.5 mm screwable mono jack connection, LED battery indication and is powered by two AA batteries.