Verizon LTE Cellular Communicators Frequently Asked Questions

Which Honeywell Panels is the SEM Compatible With?
The SEM is an Cellular Communication module that connects with an alarm panel's ECP bus. It works with VISTA P-Series Panels. Learn about the SEM.

Is there an LTE Communicator for VISTA 21iP Panels?
The Honeywell LTE-IA, LTE-IV LTE-XA, LTE-XV, LTEM-XA, and LTEM-XV are all LTE cellular communicators that will work with a Honeywell VISTA 21iP. Learn about these LTE modules.