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Magnum 257HP Talkback/Echo 10 Meter AM/FM/SSB Export Review

Below is a short video and some pictures of the latest version of the Magnum 257HP. This new version has a talkback circuit added to the radio and with the addition of a new 257 Extreme Echo microphone you'll be able to have variable talkback and adjustable echo.

 

 

 



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