How to manually program Retevis RB22 talk to Ailunce HD1
Retevis RB22 is a semi-keyboard DMR radio does not have number keyboard, but it also supports manually program. Today, let us learn how to manually program Retevis RB22 talk to Ailunce HD1.
1. Get a RB22 DMR radio from retevis website.
2. Get a Ailunce HD1.
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