Specification
Frenquency Range:136~174MHz,400~470MHz
ChannelCapacity:128
Channel Spacing:12.5KHz/20k/25KHz
Frenquency Stability:2.5ppm
operating temperature:-25℃~ + 55℃
Operating voltage:13.6V DC ±20%
Dimension: 170mm×170mm ×52mm

Reception
Reference Sensitivity: 0.28μV@12.5KHz 0.25μV@20/25KHz typical
Operating Bandwidth:W≥±7 N≥±3.5
First IF of Receiver:49.95
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: 4W
Rated Audio Distortion: 5%
FM Hum&Noise: 40/35

Launch
RF Power: 5W/25W/45W(UHF) 5W/25W/50W(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