PTT, stand for Push-to-Talk or others people say Press-to-Transmit..it's happen in conversion half-duplex communications..including two-way radio & using a momentary button to switch from recieve mode to transmit mode (rx to tx)..in other cases, still got people say PTT rather than mic..the correct word is mic not PTT, it's cause PTT is a part of mic..if people say PTT, that mean only PTT have but not mic there..but the thing that you hold is mic not PTT..PTT only you push when you want talk..so, i really hope after this people will realise it..
best 73 from 9M2ODY
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