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This is exactly what you need. Your case is very similar to mine. I used this to split the port on the wall between internet modem and cable tv.
Sorry, there was a problem. Please try again later.Your Xfinity cable should go to your modem first and then a cable to your router. Best solution is to get a modem/router that is built together. Attach your one coax cable from Xfinity to the modem/router. Then go wireless if the modem/router supports that or ethernet cables to your computers.
Sorry, there was a problem. Please try again later.Yes you are correct this should work.
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