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Retevis RB75 Programming


WRPU949

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Does anyone know how to program the Retevis RB75 radios. I purchased 2 of these, the programming cable, and FCC GRMS license and all I have is a glorified (expensive) handheld radio without repeater capability. I have downloaded and installed the software and driver from Retevis website on Windows 8 and even tried Windows 11. Manufacturer stated not compatible with anything above Windows 10 but tried anyway. The software opens but will not connect to radio (COMM3). I get a message that states: "radio connect failed". I have ensured the cable connection is tight. Not sure what to do from here, except maybe request a refund. Any help would be very appreciated. Thank you.

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This is almost certainly a "Windows Driver issue". You might try deleting the cable driver and letting Windows install its own.. If that doesnt work you're in for a bag of hurt - some people end up buying different cables just so they can get it to work.. Some people never get Windows to work with their cable.

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 i just purchased two RB75's also and having the same issue.....i will keep trying and follow up here

i have installed 4 different drivers fort the programming cable, i have tried using Chirp as well as the Retevis program software, i have tried Ubuntu and Windows 10 with Chirp, i have tried installing the driver in compatibility mode....i contacted Revetis and followed instructions exactly...both radios are saying Radio Connect Fail...they are sending me a new cable in case it is a faulty cable

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