System Enhancement Module (SEM) Overview
Get ahead of 3G sunsets and upgrade compatible 3G/4G or POTS-connected security panels to Alarm.com’s award-winning interactive services with Alarm.com System Enhancement Modules. Alarm.com System Enhancement Modules are the most comprehensive, cost-effective way to provide upgraded services for compatible panels.
With this cellular enablement device that features built-in Z-Wave, customers will enjoy access to a comprehensive set of awareness and automation features right out of the box. And configuration is a breeze with Alarm.com’s easy-to-use support tools, like Partner MobileTech app and the Remote Toolkit.
Broad compatibility and class-leading connectivity
Compatibility
Provide upgraded services across a wide array of security panels.
- Honeywell/ADEMCO VISTA - Upgrade VISTA 10P, 15P, 20P, and 21iP panels
- DSC PowerSeries - Upgrade PowerSeries PC1616, PC1832, and PC1864 panels
Connectivity
Connect customers to the most reliable, secure, and long-lasting cellular networks.
- 3G or 4G LTE - 3G or lightning-fast 4G LTE radios (location dependent)
- Z-Wave Plus - Offer customers out-of-box support for lights, locks, and thermostats (SEM300 compatible with SmartStart)
- Broadband Ethernet - Optional fast and reliable secondary communication path
Wireless connectivity
- 3G (location dependent)
- 4G LTE (location dependent)
- Z-Wave Plus
- Broadband Ethernet
- Z-Wave S2 (requires SEM-PowerSeries 187i+ and SEM-Vista 187d)
Seamless integration and effortless support
Integration
Keep customers safe and put them in control with Alarm.com’s interactive services.
- CID and SIA Central Station Signaling - Alarm.com makes it easy to connect to CID and SIA compatible central stations.
- More Than Just Alarm Notifications and Arming - Give customers awareness and control with Alarm.com powered security, video, automation, and energy management solutions.
Get started!
Before installing a SEM for the first time, it is recommended to take the courses on the SEM for DSC PowerSeries™ or Honeywell VISTA® panels. The course is quick, free, and can be taken at any time through the Alarm.com Academy Online.
To access the SEM courses, visit the Academy Training page on the Partner Portal and follow these steps:
- Click Enter Academy Online.
- Select the Technical/Support filter.
- Select the System Enhancement Module (PowerSeries) or (VISTA) course to enroll and launch the course.

Visit alarm.com/SEM for the latest information on supported features, compatibility and more.
For more information on installation and troubleshooting, see SEM DSC PowerSeries and/or SEM Honeywell/ADEMCO Vista.