FREQUENCY RANGE: 400.000~480.00MHz THE RATED VOLTAGE: DC3.7V( LITHIUM BATTERY) MEMORY CHANNEL: EXTERNAL MACHINE: SINGLE FREQUENCY INTERNAL MACHINE: 16 CHANNELS THE ANTENNA IMPEDANCE: 50 Ω WAY TO WORK: SAME FREQUENCY SIMPLEX OR DIFFERENT FREQUENCY SIMPLEX BATTERY CAPACITY: 1500 mAh FREQUENCY RANGE THE OUTPUT POWER: ≤5W MODULATION MODE (wide/narrow): 16KØF3E，11KØF3E MAXIMUM FREQUENCY OFFSET (wide/narrow): <5K/<2.5KHz NOISE RADIATION: <5uW CTCSS/DCS (WIDE/NARROW): 0.75 士 50Hz，0.37KHz 士 30Hz MODULATION SENSITIVITY: 12mV MODULATION DISTORTION: ≤5% REFERENCE SENSITIVITY: -122dBm(12dB SINAD) SOUND FREQUENCY POWER: 1W