Cellular Security Systems Frequently Asked Questions

How Can I Connect Wirelessly to a 2GIG GC3 with an iPad?
An iPad can connect wirelessly to a 2GIG GC3 system with the downloadable Alarm.com app. Learn how to configure Alarm.com on a GC3 alarm and automation system.
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Does My VISTA-21iP Support 4G Cellular Communication?
The VISTA-21iP does support 4G cellular communication with the addition of the Vista-GSM4G, or an external 4G device. Read on to see how to add 4G cellular.
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How do I set up GeoFence arming reminders on an iOS device in TC2.0?
GeoFence arming reminders alert when an associated device leaves the designated area, and the system is not armed. Learn to create a GeoFence arming reminder.
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What is an 803 Signal on a VISTA Panel?
When an AlarmNet device on a Vista panel indicates a trouble condition for itself, it uses zone 803, to prevent confusion with a protection zone. Read on!
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How Do I Register the Sim Card in a Lyric Gateway Cellular Communicator?
The sim card in a Lyric Gateway Cellular Communicator can only be registered by a Honeywell dealer. Learn how to register the cellular communicator's sim.
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What is the CRC Code For?
The CRC, or cyclical redundancy check, is in place to keep programmers from making typographical errors when activating a communicator. Learn more here!
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How Do I Enable the GSMVLP4G on my Honeywell L3000?
Once the GSMVLP4G has been physically installed, you must enable it in programming. Learn how to enable cellular alarm communication on the LynxPlus.
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What Receiver Format Sends 5555 5555 5555?
Alarm panels have the ability to send signals to a central station in a variety of different formats, including High Speed. Learn more about High Speed format!
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What is Advanced Protection Logic (APL)?
Honeywell's APL protects LYNX Touch and Lyric security systems.
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How Do I Register A Vista-GSM4G On A Vista 21iP?
Find out how to register a Vista-GSM4G for a Vista 21iP
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