Does any one know what MHz the 2nd remote for a VIP 622 operates on?
I'm looking to control the 2nd tuner of my 622 with my Harmony 880 programmable remote.
The main problem is that tuner 2 only uses UHF to control it in Dual Mode and the 880 work on IR not RF, I'm looking for a IR to RF converter that works on the same frequency as my 622.

I have found IR to RF to IR extenders that will allow you to control any ir device from a distance or non line of site, but I don't want to convert it back to IR if I do I'll be controlling the main TV in Dual mode.

First off thei is forum is for Lighting Control, you should be asking in the Consumer Remot Brands/Lofitech Harmony forum, but to answer your question the TV2 operates on UHF, and no Harmony or any universal remote is able to control it.  I believe that Dish offers an Adapter that would allow you to control TV2 via IR.  The link I had no longer works.