SEM300 Dual-Path Module for Honeywell Ademco Vista series systems

Available only with a new or existing 24inControl service subscription.

This dual-path (cell + broadband) SEM is compatible with Honeywell/ADEMCO VISTA 10P, 15P, and 20P panels and equivalents, dating back to 2005.

The Dual Path System Enhancement Module (SEM) is the most cost effective and comprehensive solution to migrate compatible Honeywell/ADEMCO VISTA-10P, VISTA-15P, and VISTA-20P panels to’s award-winning interactive services. The Dual Path SEM supports the 4G LTE cellular network and optional Broadband Ethernet. This ensures the longest life cycle with the most secure and reliable service.

  • Enable wireless reporting of alarms and other system events using the LTE wireless (cellular) network and Broadband Ethernet
  • Configure and support installations from any browser or smartphone using’s familiar and easy-to-use web and mobile support tools, including the Partner Portal and MobileTech
  • Enable interactive monitoring and alerting for end users
  • Integrate’s home automation and energy management services with the SEM’s built-in Z-Wave Plus capabilities

Original price was: $349.99.Current price is: $229.99.


SEM300 Dual-Path Module for Honeywell Ademco Vista series systems



  • Fast, reliable & secure wireless signaling
  • 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
  • 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



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