Retevis radio RT43 and RT3S are Digital Mobile radio, they are both digital and analog compatible , which can be a good match for business use. If you want to have private call, they both have the encryption function. Now we give you a guide about how to get RT43 to communicate with RT3S. First program the RT43 software: You can download it here: https://www.retevis.com/RT43-Digital-signaling-function-UHF-DMR-Radio#A9179AX1 Open the website and click” Support”, you will find it. 1,Open the software of RT43: Let’s set a four group call as an example: 2,Then set 4 channel corresponding to the 4 groups call : all choose digital channel 3,Click “more ” for each channel: choose the corresponding group contacts name: 4, Then …
