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Tytera External microphone with two PTT buttons on TYT MD-750 and TYT MD-UV380

Thread starter SnakeCZCOM
Start date Jul 7, 2024

SnakeCZCOM

Newbie

Jul 7, 2024

Hello,
I apologize in advance for my English.
I need some help. I bought TYT MD750 and TYT MD-UV380 radios. From the Baofeng UV-82 radio I have an external microphone with two PTT buttons. It is now modified to Baofeng UV-82. However, only one PTT button works on the new TYT MD-750 and TYT MD-UV380 radios. But I can't find any schematic showing which part of the Jack connector the second PTT button is on. Do the TYT MD-750 or TYT MD-UV380 radios have the option of using an external microphone with two PTT buttons? If so, does anyone have a wiring diagram please?

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