Encrypted Door Alarm Sensors Frequently Asked Questions

Where Can I Buy Alarm Contacts?
Alarm Grid offers all of the door and window contacts you need for your alarm system. We offer door and window sensors of all types. Learn about our alarm contacts.
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How Does a Door Contact Sensor Work?
The typical door contact consists of a sensor and a magnet. When the door opens, the magnet separates from the sensor. The sensor then alerts the panel. Learn about door contacts.
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What is a Door Contact Sensor
Alarm systems use door contact sensors to know whether or not doors are opened or closed. This is important for monitoring building activity. Learn about door contacts.
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How Do I Default a Honeywell SiXCT?
Honeywell SiX Series Sensors, like the SiXCT, can be defaulted so that they can be learned in with a new Lyric System. Find out how to default a Honeywell SiXCT Contact.
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Can I Use Door/Window Sensors on a Qolsys IQ Panel 2?
The standard daughterboard for the IQ Panel 2 will accept sensors that communicate at the 319.5 MHz frequency. This includes any door and window sensors. If a different daughterboard is added, the sensors will need to operate at a different frequency. Learn more about the Qolsys IQ Panel 2.
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How Does a Door/Window Alarm Sensor Actually Work?
Most door and window sensors work in the same manner. These devices consist of both a sensor and a magnet. When the door or window opens, the magnet will become separated from the sensor. This will cause the sensor to send a signal to the security system. Learn more about door and window sensors.
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Honeywell 5800MINI vs Honeywell SiXCT
The Honeywell 5800MINI and the Honeywell SiXCT are both surface-mount door and window contacts from Honeywell. They operate in roughly the same manner. However, the two sensors use different communication methods, and they are compatible with different panels. Learn more about these two sensors.
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Honeywell 5800MINI vs Honeywell SiXMINICT
The 5800MINI and the SiXMINICT are both surface-mount contacts from Honeywell. Both are very compact, and they function in the same manner. However, their panel compatibility and communication methods differ. Also the SiXMINICT is encrypted, but the 5800MINI is not. Learn more about these contacts.
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Honeywell 5800MINI vs Honeywell 5816
Two popular surface-mounted door and window contacts are the Honeywell 5800MINI and the Honeywell 5816. The 5800MINI is smaller and more compact than the 5816. However the 5816 can also be used as a wireless transmitter for normally closed hardwired sensors. Learn more about these two contacts.
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How Do I Replace Batteries in Honeywell Door/Window Sensors?
Replacing the battery in a Honeywell door and window sensor is a simple process. First determine the type of battery that the sensor uses. Then remove the back cover and the old battery. Finally, insert the new battery into the sensor. Learn more about replacing batteries in a door sensor.
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