We specialize in everything low voltage. Don't waste time calling multiple contractors for service & installation. Trust Sentinel for all your low voltage needs and rely in some of the most experienced technicians in the Atlanta area. See our full list of services for more information.



Thinking of investing in an alarm system for your home or business? The choices can be overwhelming. Let us help you make the right choice and design a system that fits your needs and budget. 

Home Theater

Home Automation

Security & Fire


Network & Telephone

Home Sec​urity System

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