The Retevis B3B walkie talkie is a license-free rechargeable two way radio sold as a 10-pack. It works on 16 FRS channels with CTCSS and talks directly to other 16-channel Retevis FRS models.
Front buttons open VOX, squelch and key lock without menus. The palm-size body carries easily, while built-in speaker and microphone, alarms and 22-hour typical use suit hotels, stores, restaurants and security posts.
B3B Highlights
License-free 16 channels
Operates legally without a license and pairs with RT22, RT21, RT15, RT68, H-777 and other listed FRS models.
Front-button control
Opens VOX, squelch levels 1-7 and key lock directly to save time.
1620mAh with USB-C
Runs up to 22 hours typical and charges two radios at once from the 2-in-1 cable.
VOX plus alarms
Transmits by voice hands-free and sends local or remote alarm calls for help.
B3B Specifications
Battery: 1620mAh rechargeable
Channels: 16 channels with CTCSS
Charging: USB-C 2-in-1 cable, computer, power bank or car charger
Use time: Up to 22 hours typical use
Compatibility: Other 16-channel Retevis FRS radios including RT22, RT22P, RT21, RT15, RT68, H-777, B3H, B3S
