Connecting OTA antenna to house coax cable? - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 2 Old 12-15-2003, 05:30 PM - Thread Starter
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Hi, I'm new to antennas. Wondering if it's OK to plug an antenna into the coax cable running throughout my house and still have other services on the same coax cable, such as cable modem from CATV company and satellite TV?

I currently have CATV and cable modem from my local cable company. Using an indoor antenna right now going directly into TV's built in HD tuner to get OTA HDTV but it doesn't do a great job. Looking to change out CATV with satellite and install an antenna in the attic instead of using the indoor one.

Can I just cut the coax antenna in the attic and use a splitter to add in the antenna? Is this OK and still receive satellite TV as well as cable modem from the cable company?

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post #2 of 2 Old 12-15-2003, 06:23 PM
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you would inject the off air RF right on top of the same frequencies coming in over your CATV. Not only would that cause you problems, but you also run the risk of screwing things up for others around you depending on how your cable drop is set up.

in short DONT DO IT

just run yourself a new coax for off air
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