The mini genie is not connected directly to the genie, although you can set up splitters this way, ideally you want direct lines of solid copper core rg6 from each tv location, be it genie or mini to one central point. Although copper clad steel is acceptable from the tv to the central splitter, the line from the power inserter (ideally placed inbetween the dish and the first splitter, but can be placed elsewhere) should be solid copper.
Just wanted to clarify that the minis dont connect directly to the genie.
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