New Old Stock, These are a several years old but never out of the package or used in any way

INRAD DMS-650 desk microphone. Includes the INRAD M650 mic, INRAD DMS-1 PTT base, mic to base connection cable, and detachable DM-F 4 pin XLR to 3 pin TRS + RCA male mono PTT adapter.  For use with FlexRadio 6400 and 6600 series transceivers only.  Other FlexRadio models use DM-Y or DM-YM cables.