Audio-Technica’s ATW251/H-T3 VHF 170.245 MHz Wireless Head-worn Microphone System includes the ATW-R250 receiver, ATW-T201 transmitter and PRO 8HEcW head-worn microphone. The system is designed to provide reliable performance, easy setup and clear, natural sound quality. It features easily accessible on/standby/off switch on the transmitter. The ATW-R250 is a non-diversity, single-channel receiver with advanced dipole antenna design for extended operating range, which improves operation by providing a ground element in addition to the usual signal element. The receiver also offers volume control along with AF peak, RF and power indicator lights.