Specificatoin:
Frenquency Range:136~174MHz 400~470MHz 350~400MHz
ChannelCapacity:128
Channel Spacing:12.5KHz/20KHz/25KHz
Frenquency Stability:2.5ppm
operating temperature:-25℃~ +55℃
Operating voltage:7.5V DC ±20%
Battery:1700mAh

Reception
Reference Sensitivity:0.35μV@12.5KHz / 0.30μV@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:65dB
Spurious Response Rejection:70dB
Rated Audio Power:1W
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