Introducing the Alarm.com XT-512-US-AT Simon XT/XTi VoLTE Module, designed for seamless connectivity with AT&T's LTE network. This innovative module ensures secure wireless signaling, eliminating the need for traditional phone lines and offering VoIP compatibility. With the ability to be remotely programmed through the Alarm AirFXWeb toolkit, managing your security system has never been easier. Experience enhanced interactive monitoring and alerting, keeping you informed at all times. Plus, enjoy the convenience of two-way voice communication over LTE, provided you have the latest firmware. Upgrade your security system today and stay connected with Alarm.com!