The OMNITRONIC UHF-E Series Bodypack is a pocket transmitter for UHF-E receivers, supplied with a lavalier microphone. It operates at the fixed 831.1 MHz frequency within the UHF 823–832 MHz band and uses FM modulation with 10 mW RF output. The condenser microphone has a cardioid polar pattern and adjustable sensitivity. The transmitter uses two AA batteries, provides up to 60 m line-of-sight range, and has a 3-pin Mini XLR connector.