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  1. H

    Should have ordered MRV - What do I need to upgrade

    DTv= MRV/On demand the difference MRV or whole home is truely available for h20 series std /hd irds and HR21 hd-dvr and newer units it is compatible with the r-22 (dvr) beacuse it is mpeg-4 capable the deca works as a broadband and as a media adaptor. If you want mrv it is installed by itself...