This Hy-Gain 610 Dynamic Desk Microphone, is in Nice Cosmetic Condition and is Untested.
The instruction sheet with schematic is included and it indicates theis microphone is wired for Hy-Gain B series radios 670B, 672 B, 673B, and 674B Radios.
For other radios it must be fitted with a different mic connector. It has a 4 pin din type connector on it.
I do not have the radios to test it with and I am sell it as is as described.
It requires 2 AA batteries which are not included