To keep working during a power outage, wireless home security systems must be able to switch to a cellular connection. This is a common feature in most of our top home security picks, but sometimes it costs extra.
If the Internet Goes Out, Does My Wireless Security System Still Work?
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Video: Will my system still work if a burglar cuts my internet?
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How security systems communicate
Home security systems communicate with the monitoring center via a landline phone, internet (VoIP, Ethernet, Wi-Fi), or cellular connection.
Internet connections are prone to outages
If your home security system communicates with a monitoring center via internet, your alarm system would no longer be connected to them should you lose internet connectivity.
Cellular connections tend to be more stable
Cellular connections offer better reliability for connecting your alarm system with a monitoring company. Like a cellular phone, these types of home security systems use specific radio frequencies to maintain communication with cellular transmitters in outage situations.
Cellular connections are unaffected by internet outages. A system with cellular backup keeps all of your alarms up and running if the internet goes out. You may have to pay for a higher-tier monitoring plan to get this perk.
Some areas of the country get poor cellular service. If that's the case where you live, choose a landline- or internet-based security system for best results.
Compare the top home security companies' connections
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