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RETEVIS RT85 US Frequency 136.000-174.000MHz+400.000-470.000MHz 200CHS Dual Band Digital Two
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How do I change the frequency on my radio?
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How to Extend Retevis RT85 Frequency Range?
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What are the FRS/GMRS frequencies?
Can Retevis's Walkie-talkie Talk Directly? - Two Way Radio Community
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talk with license free radio by programming your radio in software
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How to Get Two Different Walkie-Talkies to Communicate With Each Other
How RT24 walkie talkie communicate with RT45 - Two Way Radio Community
Walkie Talkie Radio Centre - Will My Radios Work With Other Brands?
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The factory default frequency - Two Way Radio Community
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