Mystery box in my new house is beeping loudly because the battery needs to be replaced. I don't have any at&t services (phone, internet, etc.). Can I unplug and remove it? :
Need help identifying AT&T unit installed on closet wall. | AT&T Community Forums
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Need help identifying AT&T unit installed on closet wall. | AT&T Community Forums
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Anyone know what this is? It's in my garage of the house I bought. Previous owners had ADT home security and AT&T internet. : r/whatisthisthing
