MFJ-412, PLUG-IN CURTIS KEYER FOR MFJ-90XX, CW TRANCEIVERS
The MFJ-412 is a Curtis Chip Iambic Keyer for your MFJ 90 Series Transceivers (MFJ-9015 / MFJ-9017 / MFJ-9020 / MFJ-9030 / MFJ-9040).
Use your MFJ paddles with the MFJ-412 and your transceiver.