Technical Specifications COMPREHENSIVE PERFORMANCE Carrier Frequency: UHF600-999MHz Frequency Stabilization: < ± 30ppm Dynamic Range: >100dB Total Harmonic Distortion: <0.5% Frequency Response: 40Hz~15KHz ± 3dB Audio Output Level: Balance 400mV, Unbalance 400mV RECEIVER Power Supply: DC15-17V Consume Power: 3 WATT Signal / Noise Ratio: >95dB Image & Spurious Rejection: >80dB Border Upon Channel Rejection: >80dB Receiving Sensitivity: 5dBuV De-Emphasis: 50uS HANDHELD MICROPHONE Transmitter Power: 30mW Modulation: FM Deviation: 40KHz Spurious Emission: >60dB Battery Voltage: 3V (2x1.5V AA Battery) Continuous Using: 5 hours