JP1 Remotes

Similar to urc 3660 supports key-moves and macros has an insane number of STB codes in manual
key layout pretty much same as urc-3660

https://www.hifi-remote.com/forums/dload ... e_id=26501

This is the exact same as the 3660, i opened it up and the PCB has markings for the URC-3660.

the signature in your file matches what I have as well.