The OMNITRONIC UHF-E Series pocket transmitter operates at a fixed frequency of 534.1 MHz for use with UHF-E receivers. It includes a condenser lavalier microphone with a cardioid polar pattern and a 0.95 m cable. Sensitivity is adjustable, and the transmitter uses FM modulation with 10 mW RF output. The operating range is up to 60 m with line of sight. Power is supplied by two AA batteries.