Retevis RB21 4G Network Walkie Talkie, Long Range Network Two Way Radio, 2800mAh with Sim Card Slot 4G and Wi-Fi - Black, 1Pcs

Voice call and text call

RB21 provides a powerful voice recording function, voice call function, and the function of using the keyboard to send text messages and other shortcut operations.

GPS Positioning

Equipped with high-precision GPS and online positioning software, it can track real-time location through different platforms such as PC and other smartphones.

SOS Emergency Call

SOS one-key quick call for help, whether for work or daily use, in an emergency, use the SOS function to quickly send a signal to help you get out of danger in the shortest time.