I have internet and cable tv. The cox coaxial cable runs both.I have cable in the attic and down the walls to 4 tvs. How can I connect antenna to the coaxial cable and not lose the internet? I disconnected the incoming coaxial cable, connected outdoor antenna and TVs worked fine but quite naturally lost the internet connection. Do they make a device that would allow me to use the same coaxial cable for internet and outdoor antenna. Can you do that with a regular splitter where the cable enters the attic? Don’t laugh I know I’m not tech savvy…. Thanks

This post was edited on 3/25/25 at 9:50 pm

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Posted by OliverTwist225

Baton Rouge

Member since Dec 2021

536 posts

Posted on 3/26/25 at 7:00 am to justjoe906

What are you trying to accomplish with the antenna? Just trying to catch local channels? You could run a coax splitter to your router/modem and still plug in an HD TV antenna. Otherwise you might consider just going to streaming service like Sling or Fire TV.

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Posted by notsince98

KC, MO

Member since Oct 2012

19991 posts

Posted on 3/26/25 at 8:42 am to justjoe906

need separate coax lines for antenna and cable TV/internet. You can run antenna signals over the same coax with satellite but not cable.

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Posted by TU Rob

Birmingham

Member since Nov 2008

13137 posts

Posted on 3/26/25 at 8:46 am to justjoe906

You need to have your incoming coax fed directly into your cable modem, and a separate splitter in the attic to connect the antenna to. My modem is in the basement and my antenna in the attic, so I disconnected the splitter I had in the basement and routed all my coax from the TVs up into the attic.

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