Kirisun DP485 - Electronic Component Lists

DP485 Service Manual
29
8.General Specification
Model
DP485
Frequency
400 ~ 470 MHz,136 ~ 174 MHz
Channel Capacity
256 channels
Channel Spacing
25 kHz/12.5kHz
Operating Voltage
7.4V
Working Temperature
-25℃~ +55℃
Antenna Impedance
50Ω
Microphone Impedance
2.2kΩ
Battery
Lithium-ion battery DC 7.4V , 2000mAh
Average battery duration (5-5-90,
high-power emission), 2000mAh lithium
battery
Analogue channel: 18 hrs
Digital channel: 20 hrs
Receiving Sensitivity (12dB SINAD )
-120dBm
Squelch Sensitivity (3-level)
≤-120dBm
Selectivity of Adjacent Channels
70dB@25KHz /60dB@12.5KHz
Intermodulation Immunity
65dB@25KHz/12.5 KHz
Rated Power
1W 16Ω
Blocking
84dB
Transmitting Power
4W/1W@7.4V DC
Frequency Stability
≤±2.5ppm
Maximum Modulation Offset
±5kHz@25KHz /±2.5kHz@12.5KHz
Modulation Distortion
≤3%
Spurious Emission
≤-36dBm
Current Consumption
≤1.5A@ 7.4V DC