Wireless Door Sensors and Window Alarm Sensors Frequently Asked Questions

What Is the Best Honeywell Sensor for the 21iP?
The best sensor for the Honeywell Vista 21iP depends on what the sensor is used for. There are many great sensors compatible with the Vista 21iP panel.
Added:

How Do I Replace an Existing 5816 On My Lynx Touch?
You can replace an existing 5816 by removing it from panel programming, and then uninstalling it from its location. Then program the new 5816 and install it.
Added:

Can I Install a Window Contact on a Honeywell Alarm?
A window contact can be installed on any Honeywell panel. The optimal window sensor depends on the model of the panel and the applications that are needed.
Added:

Where Should I Place My 2GIG Door and Window Sensor?
A 2GIG door and window sensor should be placed on a door or window frame about half an inch from its magnet. It must also be within range of the 2GIG panel.
Added:

Which Sensors are Compatible with 2GIG?
Many sensors are compatible with 2GIG security panels. In addition to the 2GIG brand of wireless sensors, Honeywell 5800 Series sensors can be used as well.
Added:

What Frequency Do the 5800 Sensors Operate at?
Honeywell's 5800 series wireless devices operate at 345 MHz. This frequency was assigned to them by the FCC, and should operate free of interference in the US.
Added:

How Do I Program a 5800RP to a Lyric Controller or a Lynx Touch?
A 5800RP is programmed to a Honeywell security system by assigning it to a zone. This will provide the panel with notices regarding the status of the 5800RP.
Added:

Is the 2GIG DW10 a Z-Wave Device?
The 2GIG DW10 door and window sensor is not a z-wave device. The sensor uses RF communication in order to interact with the user's 2GIG security panel.
Added:

What's the Best Window Sensor for the Honeywell L3000?
There are many great window sensors from the Honeywell 5800 Series that pair well with the Honeywell L3000. The best window sensor depends on the user's needs.
Added:

Why Is My Lyric Gateway Always in Not-Ready to Arm Mode?
The Honeywell Lyric Gateway is in "not ready to arm" mode if a zone is faulted, or if a zone has a tamper switch activated. Learn how to resolve these issues.
Added: