- 22 GMRS Channels + 8 Repeater Channels
- Can Work with Repeater to Extend Range
- 4500mAh Large Battery Capacity
- IP67 Waterproof Rating
- Voice Chip DSP for Clearer Sound
NOTE: Programming software: please click "support" to download
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Retevis RB75 4500mAh Long Standby Waterproof GMRS Radio
IP67 Waterproof
RB75 GMRS Handheld Radio is designed to meet IP67 waterproof standard, making it easy to use in humid environments.
GMRS Band
30 Channels available. and last 8 channels (channel 23-channel 30) are repeater channels.
Long Standy
Retevis RB75 has large capacity battery 4500mAh for long standby.
VOX Hand-Free Operation
With VOX function, no need to press the PTT when working on the farm or construction site, freeing your hands.
Programmable Side Keys
The side keys of RB75 can programmed as function shortcuts via software.
Time Out Timer
Preventing your radio from being used for extended periods of time also saves battery life.
Spec
Specification
| General | |
| Frequency Range | 462.5500-467.7125MHz |
| Memory Channel | 30CH |
| Operation Voltage | DC 7.4V |
| Battery Capacity | 4500mAh |
| Operating Temperature | -20℃-+50℃ |
| Antenna Impedance | 50Ω |
| Transmitter | |
| RF Output Power | 5W |
| Spurious Emission | ＜-36dBm |
| Transmission current | ≤1.6A |
| Receiver | |
| Receive Sensitivity | -121dBm |
| Adjacent Channel Selectivity | ≥60dB |
| SNR | >60dB |
| Rated Audio Distortion | <3% |
| Receive Current | ≤300mA |
Feature
1, Wateproof
GMRS radio RB75 Designs to IP67 waterproof & dustproof standards, make it easy to carry in wet and dusty environments.
2, GMRS Band
30 Channels available. and last 8 channels (channel 23-channel 30) are repeater channels.
3, Long standby working time
Retevis RB75 with the high capacity battery 4500mah, make your work or outdoor activities more secure. Keep connected all the time.
4, VOX
No need to press the PTT, make your hands-free, when you working on a farm or a construction site.
5, Side key buttons.
Retevis RB75 Waterproof Long Standby GMRS Handheld Two-way Radio comes with some side-key buttons, you can define them by software.
6, TOT
Prevent your radio has been used for a long time, also save battery life.
7, Long range communication
With the high power 5w, this Retevis RB75 GMRS radio will reach to longer communication range.
