OMNITRONIC UHF-600 is a dynamic handheld transmitter for UHF-600 receivers, using PLL pilot-tone technology and infrared synchronization. It operates in the 522–554 MHz UHF band, provides a cardioid polar pattern, FM modulation, less than 3 ms latency and a line-of-sight range of up to 60 m. The metal housing includes a multicolor LCD display with frequency, mute, RF signal-level and charge-status information. It is powered by two AA batteries.