General SpecificationsFrequency Range UHF 400-470MHzRF Rated Power ?�� 5WChannel Capacity 16Channel Spacing 25KHzOperated Voltage 3.7 VBattery 1500MAh Li-ionBattery Life About 8 hoursFrequency Stability ?��2.5ppmOperated Temperature -30??c - +60??cAntenna Impedance 50|?Dimensions (L?��W?��H) (with battery，without antenna) 110?��50?��32 mmWeight (with battery/antenna) 198gCommunication Range about 2-4kmRF Power Output 3WModulation F 3ESpurious Emission ?��65dBFM Noise ?��-45dB(W) ?��-40dB (N)Audio Distortion ?��5%Transmitting Current?��1.3ASensitivity (12dB SINAD)?��0.20 uVSelectivity 55dB/50dBInermodulation ?Y65dBAdjacent Channel Selectivity ?Y60dBSpurious Response ?Y60dBAudio Power Output 1000mWPackage include: 1?�� Portable radio1?�� Inductively loaded antenna1?�� Li-ion battery pack1?�� Desktop charger AS GIFT�ꡧONLY US PLUG��?1?�� Belt clip1?�� Handstrap1?�� User's manual