FEATURES UHF 600-928MHz frequency range Mono Outputs, four levels RF output selectable True diversity for maximum range and dropout protection PLL Synthesized circuit Pre-set 100(10*10) selectable frequencies IR sync downloading the frequency from receiver LCD display shows the RF level, AF level, channel and frequency. EIA standard 1/2U rack-mountable metal chassis Up to 200m line-of-sight operating range Designed for professional stage performance applications SPECIFICATION Receiver(Belt-pack) Frequency Range: 600-928MHz Transmission Method: FM, Mono Frequency Response: 60Hz-17KHz Total Harmonic Distortion: <0.7% at 1KHz Signal/Noise Ratio: ?105dB Earphone output: 3.5mm?/ 16ohms 105mW Receiving Sensitivity: 10dBuV(80dB S/N) Battery Voltage: 3V (2x1.5V AA Battery) Power Consumption: 8 hours, battery-dependent Transmitter Frequency Range:740-765MHz Transmission Method: FM, Mono Transmitter Power: 5/10/30/100mW Frequency Response: 50Hz-17KHz Total Harmonic Distortion: <0.5% at 1KHz Deviation: 45KHz Input impedance: 32ohms Power Supply: DC12V-18V / 500mA