Description
Retevis Matetalk B4 FRS Portable Free-Licence Two Way Radio with Noise Reduction
Retevis B4 Two-Way Radio combines AI noise reduction, 19-hour battery life, 6-language support, and rugged portability for demanding work and play. Whether you’re managing a construction site, hosting a bar, or hiking a trail, the B4 keeps your team connected, clear, and in control.
AI-powered Noise Reduction
Jobsite walkie talkies trained on 100,000+ data samples using the MTFGRU model; reduces jackhammer roars and heavy machinery din; with a 25dB SNR boost; your crew hears orders clearly; even in chaotic environments.
Digital Two-Way Noise Reduction VS. Analog One-Way Noise Reduction
Clear Communication
At the working site, the two-way radio's AI filters wind; river noise; and distant traffic; enjoy clear communication around the fire without shouting over nature’s chaos.
6 Languages Prompt
English; German; Spanish; French; Italian; and Russian; whether you're overseeing a multinational team at a construction site or coordinating repair shops in different countries; commercial walkie talkies break down language barriers.
Emergency Alarm
One button on 2 way radio triggers both local and remote alarms; alerting your group to dangers; whether hiking solo or with a team; this feature ensures help is just a button-press away.
Walkie Talkies with Shoulder Mic
The speaker microphone with IP54 waterproof; the capacitive electret microphone ensures that your voice cuts through the loud noise of machinery; hammering; and shouting; ensuring clear communication with your team.
Spec
| Item | Specification |
|---|---|
| Frequency Range | FRS |
| Channels | 22 |
| Output Power | 2W |
| Battery Type | 1200mAh Li-ion Rechargeable Battery |
| Rated Voltage | 3.7V DC |
| Standby Time | > 30 hours |
| Working Time | 19.14 hours |
| Dimensions | 98 × 51 × 35 mm (H × W × D, without antenna) |
Features
● 22 FRS Channels
● Noise reduction
● 50 CTCSS codes/210 DCS codes
● VOX Hands-Free
● Battery Save
● Scan Function
● Monitor Function
● Squelch Function
● TOT (Time Out Timer)
● Type-C Port
● Channel/keypad lock
● Low Battery Audible Alert
● Alarm
● Roger Beep
● Recording playback function
Reviews
Customer Reviews
All Reviews
I can’t wait to get my hands on the Matetalk B4. The no-licence feature sounds perfect for casual use. Looking forward to trying it out!
Just saw the new Matetalk B4 and it looks awesome! I love that it's free-licence, and I’ll definitely grab one as soon as it’s available.
The B4 looks like a great option for quick, on-the-go communication without the hassle of licenses. Hope it hits the shelves soon!
I’m really interested in this new model! The idea of portable radios without needing a licence is perfect for me. Hope it’s available soon!
Just saw the launch, and the B4 looks like it could be a game-changer. I’m ready to order as soon as it’s in stock!
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Perfect Match: Complete Your Communication Kit.
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DELIVERY
- Dispatch: Within 24 Hours
- Free shipping across all products on a minimum purchase of $50.
- International delivery time - 7-10 business days
- Cash on delivery might be available
- Easy 30 days returns and exchanges
RETURNS
If you do not like the product you can return it within 15 days - no questions asked. This excludes bodysuits, swimwear and clearance sale items. We have an easy and hassle free return policy. Please look at our Delivery & Returns section for further information.
