Cellular Alarm Communicators Frequently Asked Questions

Will a GSMX4G Work on a VISTA-20P With a 5.2 Revision Chipset?
The Vista-20P version 5.2 supports the GSMX4G as a communicator, and for upload/download, but does not support Total Connect 2.0. Read on to learn more.
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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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Can I Use a Cellular Communicator on a VISTA 21iP?
You can use a cellular communicator on the Vista-21IP. The cellular communicator connects directly to the board. Learn about the 21ip Cellular Communicator.
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Can I Use a 3GL GSM on a Honeywell L5100?
No, the 3GL is not compatible with the Honeywell L5100 control panel. There is a 4G compatible GSM. Find out which 4G cellular communicator is compatible.
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How do I Register the L7000's 3GL?
The Honeywell 3GL AT&T cellular communicator requires an AlarmNet registration by a certified Honeywell dealer. Learn more about the registration process here.
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Will the VISTAs Work with the 4G Networks?
VISTA alarm systems can work with 4G cellular networks. There are five 4G cellular communicators available for the systems. Learn which one is right for you.
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Can I Change the Rev Chip on a Vista 21iP?
While you can upgrade the prom chip in a Vista-21iP, it may not always be advantageous to do so. Find out when you should, or shouldn’t upgrade the chip.
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