You can now help support WorldwideDX when you shop on Amazon at no additional cost to you! Simply follow this Shop on Amazon link first and a portion of any purchase is sent to WorldwideDX to help with site costs.
Click here to find out how to win free radios from Retevis!
This mic has no way to ground the receive line from the Cobra. You'll need to buy the adapter posted above or build something to invert the output of the PTT line.
The signal that would be coming from pin #6 if it was used is receive audio like for a handie-talkie headset. Which is why the MC-85 doesn't use that pin since it doesn't have a speaker or headphone jack.
This forum does not allow a single user to have more than one username. If anyone wants to change their username contact an admin and it will be done. Multiple accounts belonging to the same member will be deleted without warning.