23
Specification
Item
Specification
Frequency Range
VHF:
145-175MHz
UHF:
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