Audio-Technica ATW-T1001 Wireless Bodypack TransmitterReliable System 10 Bodypack Transmitter If you need to add a bodypack transmitter to your Audio Technica System 10 wireless rig, then look no further than the ATW T1001. This discreet bodypack is effortless to set up and plays well with up to seven additional transmitters. The ATW T1001 operates in the 2. 4GHz range where DTV signals won't interfere with it. Another huge benefit you get from this digital wireless system is its extreme fidelity.