As an owner of the H20, I have had some experience with your frustration. I have just installed a 42" LCD HD TV in my DSPD that is feed by this Directv box. This unit does output both composite video (yellow) and component (3 cable, red, blue, green, plus audio) as well as HDMI. HD comes only through the latter two connections (1080i) whereas standard 480i is delivered through the yellow video. Converting this to RF only degrades the signal. Also this unit in my experience will only deliver one or the other (standard video or HD) but not both simultaneously. Although the switching is done with a front panel switch, you will be able to watch either the HD signal or the standard video. If you go the component route, be sure to provide for a fiber cable for 5.1 audio. Once again as with video, high quality audio is not delivered through the RCA audio cables. Of course the advantage of HDMI is that it handles digital video and digital audio in a single cable. Be sure to buy your cables on the web - an HDMI cable should cost less than $10 for 6 feet - not the $30 I found at Walmart. What happened to "the lowest prices - Always"?
It would be possible to run two TVs from this unit one via HDMI and the other via component but that about it for multiple TV viewing.
I have found that in most area the local over the air HD has good coverage and very watchable via the standard bat wing antenna.
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Ken, the RV Navigator
Podcasting the RV Lifestyle
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