CW and/or voice keyers
MFJ: MFJ-432 voice keyer (deprecated)
- MFJ: MFJ-434 voice keyer
Needs an interface similar to this one,
but doesn't handle the STOP LPT pin (#2).
To circumvent this, you can redefine the Escape key to F4 and record a tiny empty message
in message associated with the F4 key.
Integrated SO2R boxes
Last update : 2004 sept 12