News & Events

Newsletter from Glenn Security Systems, Inc.

Newsletter from Glenn Security Systems, Inc.

We have a newsletter for all!  If you would like to receive the newsletter via email please let us know by clicking the link below to enroll in our email newsletter.

  • This field is for validation purposes and should be left unchanged.

Share this entry

Leave a Comment


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…

Read More