OMNITRONIC UHF-300 bodypack transmitter for UHF-300 receivers, featuring infrared synchronization, four-step gain adjustment, an LCD display with frequency and charge-status indication, and switchable UHF frequencies of 823–832 MHz and 863–865 MHz. It operates on two AA batteries, provides up to 60 m range with line-of-sight, and uses a 3-pin Mini XLR connector. The black plastic transmitter measures 6 × 2.3 × 8.5 cm and weighs 0.07 kg.