Currently I DO HAVE Whole Home DVR...It's just through my existing home network with Cat 5. Works pretty good! I'd like to add an H24 receiver to my existing setup. I read something that says you need at least 1 HR24 receiver set up in your network in order to use an H24 receiver in a Whole Home DVR setup. Is this true. Right now I have an HR20 and HR21 DVR's. Will it not work with them?