Dynamic handheld UHF transmitter microphone for UHF-600 receivers, using PLL pilot-tone technology and infrared synchronization. It has a cardioid polar pattern, operates in the license-free 823–832 MHz and 863–865 MHz bands, and supports up to 60 m line-of-sight range. The microphone uses two AA batteries, provides less than 3 ms latency, and includes a multicolor LCD display showing frequency, mute status, charge status, and RF signal level.