HF Headmic Set SK-XSW Bodypack Transmitter EM-XSW 1 UHF Receiver ME3-II Headmic Antenna-Switching Diversity Reception Automatic Frequency Management Selectable UHF Frequencies Up to 10 Compatible Channels Integrated Antennas 2 x AA Batteries are Included NT 12-5 CW Power Supply specs System Modulat..