Specificatoin:
Frenquency Range: 136~174MHz 420~470MHz 470~512MHz
ChannelCapacity:16
Channel Spacing:12.5KHz/20KHz/25KHz
Frenquency Stability:2.5ppm
operating temperature:-25℃~ + 55℃
Operating voltage:7.5V DC ±20%
Battery: 1200mAh

Reception
Reference Sensitivity:0.28μV@12.5KHz 0.25μV@20/25KHz typical
Operating Bandwidth:W≥±7 N≥±3.5
First IF of Receiver:51.65
Second IF of Receiver:450
Adjacent channel Selectivity:60dB @ 12.5KHz 70dB @ 20/25KHz
Intermodulation Rejection:65 dB
Spurious Response Rejection:70 dB
Rated Audio Power: 0.5W
Rated Audio Distortion:5%
FM Hum&Noise:40/35

Launch
RF Power: 4W/2W/0.5W(UHF) 5W/2W/0.5W(VHF)
Frenquency modulation:16KφF3E/11KφF3E
Antenna Impedance:50Ω
Modulation Limiting:±2.5KHz@12.5KHz, ±4KHz@20KHz, ±5KHz@25KHz
Modulation Distortion:< 5%
Radiated Spurious Emission:-36dBm < 1GHz -30dBm > 1GHz
FM Noise: -40dB @ 25KHz -35dB @ 12.5KHz
Adjacent Channel Power:-60dB @ 12.5KHz -70dB @ 20/25KHz