I use the ChannelPlus 3025 all-in-one modulator with IR distribution over coax. I am modulating 2 UltimateTV satellite receivers/PVRs to 5 TVs. I have 4 IR targets. I also have CATV on the coax. Everything works great. It is very reliable. The IR works so good that I use it to control most of my AV equipment in my HT room. You can use the IR distribution feature to control any equipment you want not just the units you are modulating. I'll be glad to answer any specific questions. Good luck.
You'll find more info on this in the Home Integration/Distribution section of this forum.
I've used ChannelPlus' 5v and 12v IR distribution systems. Both work well -- the 12v system is more flexible, but more expensive. I currently have the 12v system distributed to 10 TV's, each with the capability of controlling 4 components in 2 locations.
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