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What should you do to make sure your alarm system will not be affected by this shutdown?


Contact Glenn Security at (918) 337-0600 or and we can determine if your system will be affected.

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What is 3G Cellular Sunset?

Your security system currently communicates using a technology which will no longer be available. Both Verizon (Dec 2022) and AT&T (Feb 2022) are shutting down this older cell network to make way for the future of their networks. It’s important we update your system allowing it to still communicate. Please…

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