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How to make communication between older and new radio of FRS license-free radio

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How to make communication between older and new radio, which may the main issue surrounding you. For FRS license-free radio, the default frequency is fixed. Now Retevis FRS license-free radio, the default frequency is the same. If you got the older radio can’t talk with a new radio, Please try to program the same FRS frequency to make them communication

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RT97 repeater for the outdoor large event

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RT97 repeater for the outdoor large event is a great option when the handheld radio can’t cover more distance. The security agency normally has some outdoor activities to keep order, like a vocal concert, sports events, and so on. The handheld radio is the main device for communication, if the more big environment, maybe the only handheld radio can’t meet with the requirement, At that time, there’s a small and weight repeater what will solve the problem

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