Retevis B3 Portable FRS Two-way Radio
Note: The Retevis RT22P has been upgraded to the Retevis Matetalk B3
Retevis B3 Portable FRS Two-way Radio is an upgraded version of RT22.
Retevis B3 are rechargeable compact FRS walkie talkies that can be used without the need for a license. With its 15mm ultra-thin design, it can easily fit into a pocket or be clipped onto a belt. The set includes 10 acoustic tube earpieces and a six-way charger to save charging space and time. This makes it ideal for use in various settings, such as clothing stores, restaurants, retail stores, hotels, schools, warehouses, and churches.

Ultra-Slim and Lightweight
15mm ultra-slim design, it effortlessly slips into your pocket, or use the detachable back clip to clip it to your belt or other clothing.
USB-C Charging
Utilizing USB-C charging interface, it not only charges quickly but also provides a convenient charging method.
Long Battery Life
Equipped with 1620mAh battery, it guarantees extended communication without the need for frequent recharging.
Key Lock Function
The unique key lock allows fix the walkie talkie on one channel, ensuring uninterrupted communication and a reliable connection.
FAQ on B3 Portable FRS Two-way Radio:
QA1: What is the high and low power of B3?
The high power of B3 is 2w and the low power is 0.5w.
QA2: What kind of earpiece can be used with B3?
The earpiece jack of the B3 walkie talkie is single-pin 3.5 mm.
QA3: Can B3 be charged using Type-c?
Yes, it has two charging methods, cradle charging and Type-c charging.
QA4: How to turn on the emergency alarm for B3?
If not programmed, long press the DOWN button for 2 seconds to activate the local and remote emergency alarm.