Characteristic:
Specifications:
general |
|
frequency range
|
Default frequency range: 144 -146MHz & 433 - 434MHz;
Current frequency range: 136-174MHz & 400-470MHz;
(Press button F and 1 and turn on RT85 simultaneously )
|
channel capacity
|
200 channels
|
working voltage
|
DC7.4V
|
Work temperature
|
-10℃~+50℃
|
battery capacity
|
1400mAh
|
Antenna Impedance
|
50Ω
|
channel step value
|
12.5KHz/25KHz
|
Transmitter |
|
Output power
|
1W/5W
|
power loss
|
≤-15db
|
noise modulation
|
<-40dB
|
Modulation distortion
|
<5%
|
maximum offset frequency
|
≤±5KHz
|
transmit current
|
≤1600mA
|
response
|
+6.5~-14dB
|
Adjacent channel power
|
≥65dB
|
Receiver |
|
Sensitivity
|
≤0.2uV
|
busy bandwidth
|
≤16KHz
|
The selectivity
|
≥65dB
|
intermediation
|
≥55dB
|
Audio power
|
>500mW
|
Audio distortion
|
≤ 5%
|
frequency stability
|
5ppm
|
Current
|
60mA (standby) 250mA (working)
|
response
|
+7~-12.5dB
|