The OMNITRONIC UHF-E Series Handheld Microphone is a fixed-frequency UHF handheld transmitter operating at 531.9 MHz within the 518–548 MHz band. It features a dynamic cardioid capsule, an on/off/mute switch, a charge-status LED, and a plastic housing. The transmitter is powered by two AA batteries and provides a line-of-sight operating range of up to 60 m. Batteries are not included.