The OMNITRONIC UHF-E Series Handheld Microphone is a handheld transmitter operating on a fixed carrier frequency of 534.1 MHz within the UHF 518–548 MHz band. It uses a dynamic cardioid capsule, delivers a 50–20,000 Hz frequency response, and provides a wireless range of up to 60 m with line-of-sight. The transmitter is powered by two AA batteries and includes an on/off/mute switch, status LED, and black plastic housing.