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Do both radios have to be the same brand name?
Do both radios have to be the same brand name?
No, you can use and Retevis RT9000D AND a TYT9000D radios! You don't have to have them "match"!
My youtube channel:
https://www.youtube.com/@GMRStwowayradio
https://www.youtube.com/@GMRStwowayradio