HDMI Over Single 75ohm Rg6 U Coax Cable Extender Balun Sender Receiver BNC 328ft . Do Google search you'll find one. You may have to put a video cable on one end of your cable to TV. Not hard to do. I'm no expert but I believe this will work just fine
Depends. Just about anything is technically feasible with the right equipment, however Spectrum would probably want to charge you extra for another TV connection. I use rabbit ears and they work fine
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