Frequently Asked Questions

What is an Alarm System Key Fob and What Does it Do?
Many users set up key fobs with their alarm systems. These are handheld devices that can be used to quickly perform system functions. Learn more about key fobs and how they work.
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How Does a Pet-Immune Motion Detector Work?
If a motion detector is pet-immune, it can be set up in a way that it will not activate because of a small animal walking by. Find out more about pet-immune motion detectors.
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How Do I Install a CDMA Communicator in a Honeywell Lyric Alarm System?
A cell radio can be installed in a Lyric Controller by accessing the side expansion slot, inserting the communicator and closing the slot. Learn more about using a cell module.
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How Does Qolsys S-Line Encryption Work?
Qolsys S-Line Sensors use rolling code encryption to prevent any hacking or takeover attempts. Learn more about the Qolsys S-Line Security Sensors and how they work.
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How Does Home Security Work?
The main principle of home security is having a panel that sends outbound signals to alert others when a security sensor is activated. Learn more about home security.
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How Do I Add a DSC WS4945 Contact to a DSC Impassa?
A DSC WS4945 is added to a DSC Impassa by putting the system in enrollment mode and then activating the sensor tamper cover. Learn how to enroll contacts with the Impassa.
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How Do I Add a VERSA-DSC Contact to a DSC Impassa?
To add a VERSA-DSC Contact to a DSC Impassa, first enter wireless enrollment mode. Then activate the sensor's tamper cover. Learn how to enroll sensors to the DSC Impassa.
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Does an AT&T Security System use LTE to Communicate?
AT&T runs an LTE cellular network that many alarm systems access. A system will only connect with this network if it has an AT&T LTE cellular communicator. Learn more about LTE.
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Do Home Security Systems Work when the Power Goes Out?
A security system will remain powered when the electricity goes out by using its backup battery. And cellular service will keep it monitored. Learn more about alarm systems.
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How Do Cellular Home Security Systems Work?
Cellular service is arguably the best way for a security system to send outbound communication signals. Find out more about cellular security systems and how they work.
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