Retevis RT85 is an analog radio which comes with emergency alarm function. Its frequency range is VHF 136-174Mhz and UHF 400-470Mhz. For the first time use full dot matrix screen, the power frequency, channel and status indicators can be seen clearly. It can be dual standby and dual watch. Full keyboard operation, you can turn the knob or keyboard to unput the frequency what you want, and store 200 memory channels. With intelligent noise reduction technology.It also has a flashlight, which is convenient for outdoor camping and other dark environments.
Features
Specification:
General |
|
Frequency Range |
136.000-174.000MHz 400.000-470.000MHz |
channel capacity |
200Channels |
Working Voltage |
DC 7.4V |
Working Temperature |
-10℃~+50℃ |
Battery capacity |
1400mAh |
Antenna Impendence |
50Ω |
Channel step value |
12.5KHz/25KHz |
Transmitter |
|
Output power |
1W/5W |
Stray power |
≤-15db |
modulation noise |
<-40dB |
Modulation distortion |
<5% |
maximum frequency offset |
≤±5KHz |
transmit current |
≤1600mA |
audio response |
+6.5~-14dB |
adjacent channel power |
≥65dB |
Receiver |
|
Sensitivity |
≤ 0.2uV |
Occupied Bandwidth |
≤ 16KHz |
Selectivity |
≥ 65dB |
Intermediation |
≥ 55dB |
Audio power |
> 500m W |
Audio distortion |
≤5% |
Frequency Stability |
5ppm |
Current |
60mA (when standby) 250mA (when working) |
Audio response |
+7~-12.5dB |
Simone
Hi I wanted to know the procedure to expand the band of the retevis rt 85 thanks
Author
RT85 can't expand the frequency.