Talinfone TF-R2 Radio Over Zello ​Cross Band Repeater Controller for F22 Plus F25 8S

State-of-the-art cross band duplex repeater controller

Surecom SR-629 2 in 1 Duplex Repeater Controller

a multi-function and cheaper device that connects any handheld or mobile radio.

RT-FDR1 Radio-Tone Duplex repeater controller DTMF

Works with most popular handheld radios

Radio-Tone RT-SRC1 plus Simplex repeater controller ( Plus Version )

Works with most popular FRS, PMR, Amateur radios
Allows user to change the DTMF remote control password
Operates on both build-in battery and external DC 12V power supply
DTMF remote control repeater function ON and OFF with password protection