User's Manual

23
Specification
Item Specification
Frequency Range
VHF: 136-162MHz
145-175MHz
UHF: 350-390MHz
400-430MHz
440-470MHz
Channel Number 16*8
Channel Spacing 25KHz/12.5KHz
Frequency Stability ±2.5ppm
IF Frequency 44.85MHz/455KHz
Antenna Impedance
50
Ω
Speaker Impedance
24
Ω
Operation Voltage 7.2V
Operating Temperature -30~+50ºC
Receiver
Sensitivity 0.25uV (Wide)/0.35uV (Narrow)
S/N 45 (Wide) /40dB (Narrow)
Modulation Acceptance 2*7.5KHz/2*3.5KHz
Adjacent Channel Selectivity 70dB (Wide) /60dB (Narrow)
Co-channel Rejection -8dB (Wide) /-12dB (Narrow)
Blocking 85dB
Spurious Response 70dB
Intermodulation Rejection 65dB
Audio Response From 6 dB/oct. De-Emphasis. +2dB -6dB
AF Power 500mW
Audio Distortion 5%
Transmitter
Carrier Frequency Error
±
2.5ppm
Output Power
UHF: 4W (High)/1W(Low)
VHF: 5W(High)/1W(Low)
Modulation Limit 5K (Wide)/2.5K (Narrow)
Adjacent Channel Power 70dB (Wide)/60dB (Narrow)
Modulate Sensitivity
20
±
3mV
Modulate Distortion 3% (Wide) /5% (Narrow)
Audio Response
From 6dB/oct. Pre-Emphasis
±
3dB
Conducted Spurious Emission -70dB/-36dBm
Transmit Current UHF: 1.6A/0.7A VHF: 1.7A/0.7A