ELECRAFT K3 and K3S  -  KBPF3 General coverage receive option board .
 
If you want to add this hard to get option to your K3 or K3S,this could be for you.
Pretty simple to install.

Pulled from a working K3.

I will be listing Elecraft option boards and 8 K3 radios very soon !

Please see pictures of everything included.

This board is $ 137  on qrz or qth.
I can be reached through QRZ if you have questions about this unit.
No tax on QRZ.
Larry K6RO