Motorola NMN6169A  fist  microphone for Systems Saber Vehicular Adapter (SVA)

I have never seen one of these before. The Systems Saber was an American evolution from the Saber (MX1000/2000/3000) series with fancy trunking and encryption. Google tells me this is only suitable for the car kit of the Systems Saber, not the earlier Sabers and MX's.

Untested, as I don't have a radio, but looks in good general condition.