AT&T LTE Cellular Communicators Frequently Asked Questions

How Do I Install a Honeywell LTEM-XA or LTEM-XV On a VISTA-128BPT or VISTA-250BPT?
By installing and activating an LTEM-XA or LTEM-XV with a VISTA TURBO Panel, the system can communicate across a cellular network. Learn to install the LTEM-XA and LTEM-XV.
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How Do I Install a Honeywell LTEM-XA or LTEM-XV On a VISTA-15P or 20P?
Installing a Honeywell LTEM-XA or LTEM-XV will allow your VISTA-15P or 20P to connect with AlarmNet across a cellular network. Learn to install the LTEM-X Series Communicators.
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How Do I Install the Resideo LTE-IA or LTE-IV On My VISTA-15P or VISTA-20P?
o LTE-IA or LTE-IV to your VISTA-15p or VISTA-20P will provide dual-path cellular and IP connectivity for your system. Learn to install an LTE-IA or an LTE-IV.
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How Do I Set Up a Cellular Communicator in a 2GIG GC3?
You must add a cellular communicator to a 2GIG GC3 if you want to activate the system for monitoring service and use with Alarm.com. Learn how to add a cell module to a GC3.
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How Do I Set Up a Cellular Communicator in a 2GIG GC3e?
Adding a cellular communicator to your 2GIG GC3e will allow you to activate the system for monitoring service. Learn how to add a cellular communicator to your 2GIG GC3e System.
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How Do I Add an External Communicator to a DSC PowerSeries NEO?
An external communicator must be added to a DSC PowerSeries NEO to get the system monitored and set up with Alarm.com. Learn to add an external communicator to a PowerSeries NEO.
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How Do I Install the Resideo LTE-IA or LTE-IV On a VISTA-21iP?
When adding an external communicator to a Honeywell VISTA-21iP System, you must set the internal IP/GSM Jumper to the OFF position. Learn to install the LTE-IA and LTE-IV.
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Can I Use a DSC TL880LEAT N Communicator w/o Alarm.com?
The DSC TL880LEAT is a dual-path AT&T LTE and IP communicator that sends signals through Alarm.com. It must be used with Alarm.com. Learn about the DSC TL880LEAT N.
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How Do I Install the Cell Module in a 2GIG GC2e?
Installing a cellular communicator for a 2GIG GC2e will require opening up the panel and plugging the module into the appropriate slot. Learn how to install a GC2e Cell Module.
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Does the Honeywell LTE-XA or LTE-XV Work On a Honeywell VISTA-21iP?
The Honeywell VISTA-21iP can support both the LTE-XA and the LTE-XV communicators once its internal IP communicator has been disabled. Learn about the LTE-XA and LTE-XV.
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