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System Enhancement Module - AT&T
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The System Enhancement Module (SEM) is the most cost-effective and comprehensive solution for migrating compatible Honeywell/ADEMCO VISTA-10P, VISTA-15P, and VISTA-20P panels to’s award-winning interactive services. The SEM supports the 4G LTE cellular network and optional Broadband Ethernet, ensuring the longest life cycle with the most secure and reliable service. The SEM is now ETL certified, ensuring a high benchmark of safety and sustainability


  • Fast, reliable, & secure wireless signaling
  • Home automation & energy management
  • Support for Z-Wave Plus devices
  • Video monitoring
  • No separate power supply needed
  • Over the air (OTA) upgrades
  • CID and SIA central station signaling
  • Internal antennas
  • Cover & wall tamper included
  • Externally facing LEDs for visual feedback
  • Broadband as an optional secondary communication path
  • Remote monitoring & control via web/mobile
  • Remote panel configurations with Uploader/Downloader, including Add Sensors
  • Remote access and management of locally saved user codes


Manuals & Technical Documents Sheet.pdf