Alarm Systems
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Fire and Life Safety
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Video Surveillance
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Access Control
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Medical Alert
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FirstLink
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FirstView
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FirstConnect
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FirstNet
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FirstNet

FirstNet service streamlines communication and eliminates the need for telephone lines, internet, or cellular connections. Using our own wireless mesh network, FirstNet ensures that in an emergency, regardless if there's a power outage or if public communication networks are down, the signal will get out.

FirstNet can be adapted to any commercial or residential system. This includes fire, burglary, medical, and hold-up systems.

Interested in learning more? Contact us today for a FREE security evaluation!

"f you live in their service area, go with Sentry Alert. Customer service like it used to be: professional, friendly, engaged and honest. Amazing how refreshing it is to meet people who seem to genuinely enjoy their work, who are knowledgeable about what they're doing, and who aren't giving you a hard sell."

~David K., Oakland, CA

"Sentry Alert is a must-have for ALL Bay Area families. When you call, you get a live person immediately!"

~Britney F., Martinez, CA

"Sentry Alert installed my security system and it's flawless. The installer Sergio was polite, professional, arrived on schedule. Everything went according to plan."

~Carolyn S. , Alameda, CA