I have had both cable and satellite before. In both cases a coax is run from the source to box that digitally decodes the signal, meaning that coax is transmitting a lot of data, often including high speed internet. Yet running a coax from the cable box to the tv only results in standard def picture. What gives?
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Televisions these days are digital. Coax has the bandwidth, but HDMI is digital and coax is analog. Since you’ve already done the analog to digital conversion in the receiver box, there’s no good reason to convert it back to analog just to send it to the television to get converted back to digital again. Instead, use a digital transport like HDMI.
Old televisions and monitors were natively analog, so using an analog connector like coax or VGA made more sense.
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