Wired Door & Window Alarm Contacts 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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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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What Is the Best Wired Security Door/Window Contact?
There are many great wired door and window contacts available. The best one depends on the application. Learn which wired security door and window contact is best for your needs.
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How Does a Recessed Door Contact Work?
A recessed door contact is inserted into the door and its frame so that it not visible from the outside. It works using a sensor and magnet. Learn about recessed door contacts.
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How Do I Incorporate a Wired Contact Sensor with a Wireless Alarm System?
There are a few different ways that a wired alarm contact can be used with a wireless system. The most common way is to use a converter. Learn about wired alarm contacts.
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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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What Is the Best Alarm Contact?
There is no single best alarm contact. Many different types of door and window contacts are available, and the best one depends on the needs of the user. There are several questions to ask when looking for an alarm contact so that you can obtain the perfect one. Learn more about alarm contacts.
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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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What is the Best Wired Door/Window Alarm Contact?
There is not a single "best" hardwired door and window contact. Each type of door and window contact will work better in certain situations and installations than in others. There is usually a perfect hardwired contact for every type of situation. Learn more about wired door and window contacts.
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What is the Best Door/Window Sensor for the VISTA-P Security System?
There are many excellent door and window sensors that work well with a VISTA P-Series security system. Hardwired contacts can be used with no additional add-ons. A wireless contact will require a wireless receiver to be added. Learn more about door and window contacts for a VISTA system.
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