The OMNITRONIC UHF-E Series Handheld Microphone is a dynamic handheld transmitter operating on a fixed carrier frequency of 523.1 MHz within the UHF 518–548 MHz band. It features a cardioid polar pattern, color indication, an on/off/mute switch, and a charge-status LED. The transmitter operates on two AA batteries, which are not included, and provides a line-of-sight range of up to 60 m. Its black plastic housing measures 25 cm in length and 5.2 cm in diameter and weighs 0.24 kg.