OMNITRONIC TM-250 VHF179.000 is a fixed-frequency VHF bodypack transmitter for the TM-250 wireless microphone system. It operates at 179 MHz with FM modulation and provides 8.5 mW RF output power. The transmitter uses a condenser capsule with cardioid polar pattern and connects to a headset or lavalier microphone through a locking 3.5 mm jack. It is powered by one included 9 V zinc-carbon battery and features an LED battery indicator.