Interlogix 600-1048-XT-ZX-AT - AT&T 3G Cellular Communicator for Simon XT, XTi & XTi-5 Reviews

Interlogix 600 1048 xt zx at at and t 3g cellular communicator f
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Get an LTE Communicator Instead.
Submitted on 07/24/2019 Alarm Grid

We do not recommend the Interlogix 600-1048-XT-ZX-AT. This 3G communicator can no longer be activated with the Alarm.com 3G sunset. If you need an AT&T communicator for your Interlogix Simon Panel, you should purchase the Interlogix 600-1048-XT-LTE-AT. There's also a dual-path communicator available called the Alarm.com XT-511-US-AT that uses AT&T LTE and IP connectivity. Either of these communicators is a much better option than the Interlogix 600-1048-XT-ZX-AT.

Cellular service providers like AT&T are currently shutting down their older 3G networks in favor of the more advanced LTE networks. The LTE networks are faster and more reliable, which makes them better-suited for alarm monitoring. Since 3G networks will be shut down in the coming years, companies that operate interactive alarm monitoring platforms no longer allow 3G activations. As a result, you can no longer activate an Interlogix 600-1048-XT-ZX-AT for use with Alarm.com. If you have already activated this module, then you can continue to use it until AT&T shuts down their 3G network. This is expected to occur by the end of 2022. We recommend upgrading to an LTE communicator before then so that you do not experience any interruptions to your monitoring service.

Customers looking to get an AT&T LTE communicator for an Interlogix Simon XT, Simon XTi, Simon XTi-5, or a Simon XTi-5i should get an Interlogix 600-1048-XT-LTE-AT instead. This communicator is available from Alarm Grid for $166.99 at the time of this writing. If you don't mind spending a bit more, you can get the Alarm.com XT-511-US-AT, which costs $197.99 at the time of this writing. Both the Interlogix 600-1048-XT-LTE-AT and the Alarm.com XT-511-US-AT also provide Z-Wave functionality. This means that you can start building a Z-Wave network for use with Alarm.com. Remember, you will need an alarm monitoring plan that includes cellular communication to activate one of these modules and use it for monitoring service.

For more information on the importance of LTE, please review our FAQ titled "Why Should I Get an LTE Communicator?"