The Alarm.com XT-510-US-DP-AT is a dual path communication module designed for Simon XT/XTi systems, featuring secure wireless signaling through AT&T. It operates without the need for a traditional phone line, supporting VoIP. The module is remotely programmable via Alarm.com's AirFXWeb toolkit, allowing convenient control. It enables interactive monitoring and alerting, enhancing security for end users. Additionally, it supports two-way voice communication over LTE with the required firmware version 185 or higher. Experience reliable, modern security with this advanced module. Order yours today!