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
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).