Feature:
- Private call, group call, all call in digital mode
- Encryption(This function can only be used between RT81 radios)
- Wide band/Narrow band selection
- Online update
- Busy channel lockout
- English and Chinese audio prompt
- Time out timer
- TX high/Low power selection
- Read and write by computer
- Talk around
- Side key programmable
- Battery indicator
- End-tone elimination
- VOX function
- Single time slot
- Battery save/Low battery alarm
- Monitor
Specification:
| Model |
Retevis RT81 |
|
Frequency |
UHF:400-470MHz |
|
Mode |
Digital/Analog |
|
Power |
High Power |
|
Channel capacity |
32(2 Zone, 16 channel per zone) |
|
Zone |
2 |
|
Working voltage |
7.4V |
|
Working temperature |
-30°C—+60°C |
|
Storage temperature |
-40°C—+60°C |
|
Continuous working time |
Analog:15 hours,Digital:25 hours |
|
Battery capacity |
2200mAh |
|
Weight(include battery) |
9.32oz/264g) |
|
Radio size(include battery) |
5.48x2.51x1.45in(139x64x37mm) |
|
Reveiver |
|
|
Channel spacking |
12.5KHz/25KHz(Digital mode 12.5KHz) |
|
Frequency stability |
±1.0ppm |
|
Analog sensibility |
0.35µV/-116dBm(20dB SINAD) |
|
0.2µV/-120dBm(Typical) |
|
|
Digital sensibility |
0.3µV/-117.4dBm(BER5%) |
|
0.7µV/-110dBm(BER1% |
|
|
Spurious response |
TIA03C:65dB |
|
ETSI:65dB |
|
|
Adjacent channel selectivity |
TIA603C:60dB@12.5KHz |
|
ETSI:60dB@12.5KHz |
|
|
Spurious response suppression |
TIA603C:70dB ETSI:70dB |
|
Receiving spurious emissions |
<-57dBm@1GHZ,>-47dBm |
|
Blocking |
84dB |
|
Rated audio power |
1W |
|
Audio response |
+1dB—-3dB |
|
Rated audio distortion |
<=3% |
|
Transmitter |
|
|
Channel spacking |
12.5KHz/25KHz(Digital mode 12.5KHz) |
|
Frequency stability |
±1.5ppm |
|
TX power |
Low:5W High:10W |
|
FM noise |
-40dB@12.5kHz |
|
Spurious emission |
<-36dBm@1GHz,>-30dBm |
|
Adjacent channel selectivity |
-60dB@12.5KHz |
|
FM modulation mode |
12.5KHz:11FOF3E |
|
4FSK digital modulation mode |
12.5KHz(data only)7K60FX |
|
12.5KHz(data+voice)7K60FX |
|
|
Modulation limit |
2.5KHz@12.5KHz |
|
Audio response |
+1dB—-3dB |
|
Rated audio distortion |
<=3% |
|
Digital protocol |
ETSITSI02361,-1,-3 |
|
Vocoder type |
AMBE+2TM |
Note: Specifications will be revised without notice due to technical improvement.
Package Includes:
- 1 x Retevis RT81 Two Way Radio
- 1 x Li-ion battery
- 1 x Antenna
- 1 x Adapter
- 1 x Charger
- 1 x Belt clip
- 1 x Sling
