The AKG PT 470 Wireless Bodypack Transmitter is sold as part of the AKG WMS470 wireless microphone series. The bodypack is available separately and delivers an array of features that include 1200 selectable frequencies across the 30MHz tuning range, mini XLR input connection, 50mW RF output power, noiseless on/off switch, LCD display and more. Infrared sync between the transmitter and receiver (sold separately) allows for remote channel syncing. The Additional features include all-metal construction and up to 6 hours of power on a single AA alkaline battery.