Didn’t know where else to ask this so figured this would be the best place. What exactly is Coax used for? I ask because i’m self installing new Xfinity internet and the instructions say to plug in the Coax and what not. What exactly does that do? It that how the gateway actually gets internet or does it simply “distribute” the internet to other parts of the house?
Truly could not find a good answer on google so just wondering if it’s truly necessary or does simply plugging the gateway in work?
Mind you im not getting cable or anything like that. It’s simply wifi and that’s it. Thanks in advance.
Edit (Solved): To make things short, I plugged my Xfi gateway into these coax outlets in my house but they weren’t working. So, I tried plugging my Gateway directly into the main line outside and it works just fine meaning either the two ports I tried both happen to not work or the wires that take the connection to the rest of the house don’t work. So i’m gonna attempt to connect it in a port upstairs and see if it works just to confirm either possibility. But the problem is largely resolved. Thanks to the legends in the replies for the help!
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Coax is used to keep the signal in or to keep outside signals from interfering with it. High power signals are in coax to prevent cosite interference with other things that use signals. Low power signals, like those from antennas, use coax to keep other electrical noise from coupling with the signal and making it harder to detect and process.
In your case, the coax has a low power signal bringing the Internet to you and a low power signal back from you to Xfinity so that your data can get to the Internet.
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