RF cable from an associated wireless receiver or antenna distribution system. Each antenna shall draw no more than 20 mA of current; an indicator light shall be provided on the antenna to show power is present. DC power shall pass through the device to feed other powered RF devices attached to the booster. RF input and output connections shall be via standard BNC-type connectors. The boosters shall include mounting brackets with standard 5 /8"-27 threaded mounts for attachment to conventional microphone stands. It shall be possible to attach an antenna to the same microphone stand as the booster without the need for additional mounting brackets and it shall be possible to remove the mounting bracket if it is not needed. Each in-line antenna booster shall be constructed of metal and finished in a non-reflective black. The Audio-Technica ATW-B80C for systems operating in the 541–567 MHz band [ATW-B80D for systems operating in the 655–681 MHz band is specified.