Specificatoin:
Frenquency Range:400~420MHz 450~470MHz
ChannelCapacity:16
Channel Spacing:12.5KHz/25KHz
Frenquency Stability:2.5ppm
operating temperature:-25℃~ +55℃
Operating voltage:7.5V DC ±20%
Dimension(H×W×D):56.5mm×102mm×29.5mm
Weight:235g
Battery:1000mAh

Reception
Reference Sensitivity:0.28μV@12.5KHz / 0.25μV@20/25KHz typical
Operating Bandwidth: W≥±7 N≥±3.5
First IF of Receiver:21.4
Second IF of Receiver: 450
Adjacent channel Selectivity: 50dB @ 12.5KHz 50dB @ 25KHz
Intermodulation Rejection: 50dB
Spurious Response Rejection: 50dB
Rated Audio Power: 0.5W
Rated Audio Distortion:5%
FM Hum&Noise:40/35

Launch
RF Power: 4W/1W/(UHF)
Frenquency modulation:16KφF3E/11KφF3E
Antenna Impedance: 50Ω
Modulation Limiting: ±2.5KHz@12.5KHz, ±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 -65dB @ 25KHz