No idea what the story behind this is. It’s a single gang coax box, and just a hole next to it. Looks like previous owner started to patch the drywall by putting the backer in but gave up.

  • DuallightOP
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    3 days ago

    Yup it’s just a backer board there. Easy enough to remove to switch to a double gang, but also easy ish to clean up and patch it, if I don’t texture