Retevis RB25 long distance handheld digital two way radio provides long-range communication to meet the needs of professionals in industries like security, construction, and event management. This kit includes 6-pack RB25 digital walkie talkies and a programming cable for easy settings.

High power and high frequency signals can penetrate multi-layer concrete walls and various metal room. Suitable for working in large-area workshops, warehouses, construction sites, etc.
In digital mode, the audio signal will be processed digitally. In analog mode, CTCSS/DCS can reduce unnecessary chatting. 32 channels can provide multiple options (4-7 of the first 16 channels are analog channels, and the others are digital channels)
It can be used continuously for more than 12 hours in high power state.Power saving mode and low battery alarm provide you with more convenience.
You can set up your own group members, which makes it very convenient for you to switch communication within your group and between all personnel.
VOX can free your hands when you are busy, making communication and dialogue more convenient.
The built-in flashlight can help you and your teammates in the dark. And in the event of an emergency, you can also use it for help.
The sturdy shell is resistant to drop and impact, and can withstand an accidental drop of two meters.
1. High Power digital mode, call quality, strong anti-interference, and more obviously confidentiality performance.
2. Unique design, with large aperture lighting.
3. The operation is simple, and the sound quality is good.
4. VOX enables normal calls without the need for PTT keys.
5. SQL can adjust the ideal call environment in real time.
6. Durable Rugged Shell: Completed with a hard case outside, supports using for years, especially for business and outdoor using, like at the construction field, security work, survival rescue.
Question 1: How far is the range of the RB25?
Answer 1: The range of RB25 digital walkie talkies is about 2-3 miles in an urban environment (densely populated areas). The distance of the walkie talkie is greatly affected by the terrain, the operating environment, the battery level, and other uncontrollable factors.
Question 2: Is the RB25 compatible with other radio brands?
Answer 2: Yes, RB25 UHF two way radio can work with other brand analog radios or DMR radios analog mode on the UHF band, as long as they have the same frequency and CTCSS/DCS code.
Question 3: Can I use the RB25 as a hands-free device?
Answer 3: Yes, RB25 has the VOX function to realize voice control. Using a speaker mic or an earpiece with the RB25 UHF two way radio can better free your hands.
Question 4: Can the RB25 be used for group communication?
Answer 4: Yes, RB25 digital two way radio has a variety of calling functions, single call, group call, and all call. A group call allows a group to talk to each other.
| Product number | RB25 |
| Frequency range | UHF:400-480MHz |
| Channel number | 32CH |
| Battery | 2500mAh |
| Channel spacing | 25KHz\12.5KHz |
| Standby current | ≤20mA |
| Operating temperature range | -10℃~+50℃ |
| The antenna impedance | 50Ω |
| Rated voltage | 7.4V |
| Transmitter | |
| Rf power | High:10W; Low:1W |
| Modulation restriction | ≤2.5kH |
| Adjacent channel selectivity | ≥60dB |
| Spurious radio frequency | ≤7.5µW |
| Emission current | ≤2.5A |
| RECEIVER | |
| Reference sensitivity | width≤0.25uV narrow≤0.35uV |
| Audio power | ≥300mW |
| Waiting current | ≤20mA |
| Turn on sensitivity | width≤0.20uV narrow≤0.25uV |
| Receive current | ≤410mA |
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