It is not possible to do a full backup of the Pektron SCU.
it appears that it is possible to backup everything except the fob rolling codes.
What this means is that it should be possible to replace the SCU either complete with fobs, or if it's a blank one and program new fobs, and then overwrite all of the rest of the config.
This partial backup is something that I have already started to code, but the ability to restore it will take a little work.