SEM300 Vista Dual Path US – AT&T, Cat-M

The Alarm.com System Enhancement Module (SEM) offers an economical and extensive option for transitioning Honeywell/ADEMCO VISTA-10P, VISTA-15P, and VISTA-20P panels to Alarm.com’s acclaimed interactive services. Supporting the 4G LTE cellular network and optional Broadband Ethernet, it ensures extended longevity and dependable service. Additionally, the SEM is now ETL certified, guaranteeing high safety and sustainability standards.