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  1. 6

    Do I need a multiswitch

    First post. Possibly dumb question. Please be kind. I have had a HD DVR (HR20-100) for over a year and working just fine. We decided to add a second HD20 to the bedroom upstairs. I called and was able to get a second HR20 for free. They sent it to me and I installed it. I ran two new RG6...