Many walkie-talkies of the same brand can talk directly, and the Retevis walkie-talkie is no exception.
Some of the retevis’s analog walkie-talkie can talk directly
however, some of them only have a part of channels can talk to each other.
Among them, the four models of RT21/RT22/RT24/RT7 walkie-talkies have the same frequency and can talk directly.
The RT27 walkie-talkie and the above four models only have the first 5 channels to talk to each other; and the H777 walkie-talkie only has the 6th and 7th channels to talk directly to this four models walkie-talkie.
The 6th channel of H777 walkie-talkie is the same as the 18th channel of RT27 walkie-talkie; the seventh channel is the same as the 22nd channel of RT27 walkie-talkie. They can talk to each other.
The following is a frequency comparison table for these Retevis walkie-talkies:
The above frequencies are limited to Retevis walkie-talkies purchased in 2018 and later.