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Long Cable run

945 Views 1 Reply 2 Participants Last post by  Bill R
I have a DISH 522. My 2nd tv is 30 feet from the DVR and connected by RCA cables. I am getting horizontal rolling banding on the video and buzzing on the TV audio. DISH tells me that 30 feet is too long for RCA cables and I should use an RG6 cable instead. Is this correct?
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