Share: Title:Retevis RT22S Programming Guide | How to Communicate with RT22 | Frequency Setting | Business Radio Duration: 2:59 Plays: 1.4K views Published: 1 year ago Download MP3 Download MP4 Simillar Videos ▶️ 1:54 Retevis Rt649 Waterproof Walkie-talkie | Questions & Answer | Communication Range | Volume Control 1.4K views • 1 year ago ▶️ 1:20 Retevis Rt19 Business Walkie Talkie Programming Guide | Frequency Setting 1.4K views • 1 year ago ▶️ 6:25 Retevis Rt81 Dmr Programming Software Tutorial 1.4K views • 3 years ago ▶️ 3:15 Retevis Rt45 Q&a | Usual Questions Answers | Operate Guide |find Your Issues Here 1.4K views • 1 year ago