Media for Second zone remote

Got a Denon AVR 1908 a month back. It allows for a "zone 2", with a different source. It even comes with a 2nd remote just for Zone 2.

Thing is, the remote is IR only, so it is useless from within zone 2! (it's another room)

There is a "remote/network" input on the 1908, but it seems to be for their IPOD adapter.

Question is, what are my options?

Whats out there for IR->RF->RF->IR, or for just extending the IR?

I'd rather not run more wires (the speakers in Zone 2 are in place and working)

Thanks in advance.