Originally Posted by Matt 'Maverick' Watts
I'm betting the single pin connector on the headset is a motorola pin. I can plug my single pin motorola headsets into my cobra radios and hear, just not transmit. it has to do with the pin size.
You'll either need to get a motorola radio, or a cobra ptt.. i'm thinking the radio will be easier to find.
Yep, that is exactly what is going on.