Retevis RB628B PMR446 License free two way radio
1, License-free PMR446 frequency.
You can purchase and use RB628B directly in European countries, the UK, and some other countries and regions. No license of use required.
2, 16 Channels can be used.
The 16 channels have fixed frequencies and power, with editable CTCSS/DCS codes to filter other signals.
3, Simple designs and mini handheld radio.
Compact in appearance, suitable for long-time carrying. The front buttons can be adjusted according to requirements
4, Long standby with Li-ion battery.
The 1,500 mAh battery is good for a full day's work and standby time. A low battery alarm ensures timely charging.
- Frequency Range: 446.00625~446.19375MHz (RX & TX)
- Memory Channel: 16 CH
- Operation Voltage: DC3.7V ±10%
- Battery Capacity: 1500mAh (Li-ion)
- Step frequency: 5KHz
- Working time (5:5:9): 12 Hours
- Antenna Impedance: 50ohm
- Item Dimensions: 105*52*21 mm
- Weight: body 82.6g battery 38.3g total 127.9g (include the battery, belt clip)
Electrical Properties:
GENERAL | TRANSMITTER | RECEIVER | |||
Frequency Range | 446.00625~446.19375MHz | Output power | 0.5 W | RF sensitivity | ≤0.25uV |
Channel capacity | 16 CH | Adjacent channel power | ≥60dB | Opening sensitivity | ≤0.20uV |
Working Voltage | 3.7 V | TX current | ≤1.35A | Audio output | ≥300mW |
Antenna impedance | 50Ω | Spurious radiation | ≤7.5µW | Receive current | ≤410 mA |
Step frequency | 12.5KHz | Modulation limited | ≤2.5kH | Waiting current | ≤20mA |
- Time out timer(TOT)
- VOX feature
- Busy Channel Lockout
- Keyboard Lock (Auto/Manual)
- Squelch level(0-9 grades)
- Auto power-saving function
- Audio Compand option
- Monitor function
- CTCSS/DCS Encode/Decode
- Low power indication/alarm
- Scan function
- Call ringtone (10 groups)
- 2-pin Kenwood accessory port
Firmware/Software
- win11-DriverInstaller
The win11 driver is compatible with win10, win8 and win7 systems.
- RB628B-software
RB628B PMR446 Walkie Talkie mini two way radio
1, Simple design. Small and thin.
2, PMR frequency band use without burden.
3, Easy charging with Type-C charger.
4, The programming cable is C9018A.
Order Handling Time within 3 Working days(Pre-sale products excluded).
What’s in the Box?
2* RB628B PMR
2* Li-ion Battery
2* Belt Clip
1*USB Charging Cable
1*User Manual
Product Reviews
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FredGood Walkie Talkies for FamilyReviewed on Jan 18,2022Having tested the bigger Retevis RT45's a few weeks ago and being impressed by their range and clarity i was interested to see how these cheaper radios compared. Straight out of the box these radios are very easy to operate with just 3 buttons on the front. The side "push to talk" (PTT) is a very light push. The build quality is very good at this price point. One feature i really like is that by pressing the centre 0 button you can lock the radio preventing the accidental changing of channels etc. This would make the radios ideal for the elderly or a younger child perhaps. The radios do have a loud key bleep which i would have liked to turn off but this can only done by purchasing the additional program cable and downloading the free programming software. However the cable is only around £5 and unlocks other additional features on the radio. Once installed I found the software very easy to use. Testing wise I left one of the radios inside my house and walked around my local streets putting rows of houses and other objects in the signal path. For a small 0.5 watt the radios performed very well and transmitted clear audio even many streets away at around 1/2 km. All this is shown in detail in the video review. If your looking for a good value but well made and clear sounding PMR radio then you should shortlist the RB628B's.