Program the walkie-talkie so that the walkie-talkie has settings, channels, privacy codes, group calls, and single calls that are more in line with you. So how to program the walkie-talkie?
The walkie-talkie and the corresponding walkie-talkie programming cable
Download the corresponding software and drivers of the walkie-talkie (take RT22 as an example, search for RT22 at retevis.com, click "support", select "software", and download the programming software and drivers)
Connect the computer and tprogramming cable, click "My Computer" - "Management" - "Device Manager" - select "Port", select "communication port" on the programming software, and keep the same as the computer connection port, To program the radio