Most higher end "One For All" and "Radio Shack" remotes are JP1 compatible, and several of the mid-range OFAs can be modified to be JP1 compatible.
I have several models available for sale with prices starting at $19. For info, go here...
[Link: hifi-remote.com]For info on JP1 go here...
[Link: hifi-remote.com][Link: hifi-remote.com]