A
CW Keyer using the comports rts line to key CW.
Terminated at the radio end with a 3.5mm stereo
jack.
If your radio requires a 1/4" jack use a
simple 3.5mm to 1/4" adaptor.
A
USB to serial
cable for use with these
interfaces is available.
For
USB CAT and programming see the USB
MultiFace.