Offering a circuit extender for use with the Heathkit SB-104 / SB-104A transceivers complete and ready to use. This extender is used to extend the plug-in boards so they can be serviced and/or repaired.
This extender is being offered in four sections to increase versatility and ease of use:
These board sections cross over to other Heathkit radios such as the HW-1680 receiver and HX-1681 transmitter.