Up for sale is an   Edo-Aire Mitchell Radio Coupler Model IC-388 & 1D396 Cont. Con. (Parts only) Technical info is as follows:

P/N: 1C-388 & 1D396

S/N: P-13233

MODS: None

Volts: 10-32 VDC

The units are only for parts.  If you have any questions, please feel free to ask! Happy buying!