[Boatanchors] FRF Frequency Shift Receiver Converter

[William]

Hello All,

Item 221370706399 in that auction place looks interesting.

As I live in the Minneapolis area I am tempted to bid just for the chance to bring it home and take a look.  (My bid would be contingent on availability of local pickup.)

Anybody have some background on the purpose of this item? 

Thanks in advance for your comments.

Best Regards,

William