What Are DTMF Tones On GMRS & Ham Radios? D.T.M.F. Radio & Phone tones Explained & Demystified

In this very short video I will explain what D.T.M.F. tones are with regard to GMRS radios and the ham radio hobby. I will explain the definition of DTMF, I will go over the history of using DTMF tones in ham and GMRS, and I will demonstrate what DTMF tones do.
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