System Enhancement Module (SEM) Overview
Modern security—without replacing your existing system
Have an older security system? You don’t have to start over. The System Enhancement Module (SEM) upgrades compatible panels with advanced features, like easy automation, remote access, and an all‑in‑one app. No major rewiring. No costly system replacement needed.
Key features
- Keep your existing system
Your alarm hardware is still doing its job—the SEM brings it up to date while protecting your original investment. - Automation at your fingertips
Get out-of-box support for Z-Wave Plus lock, lighting, and thermostat devices. - Reliable connectivity
With secure cellular and internet communication, your system stays connected even if phone lines fail. - One powerful app
Manage security, video monitoring, and automation in the easy-to-use Alarm.com app
Compatible with popular legacy panels
Provide upgraded services across a wide array of security panels.
- Honeywell/ADEMCO VISTA panels:
- US & CAN: 10P, 15P, 20P, and 21iP
- International: 15P, 20P, and 48LA
- DSC PowerSeries panels:
- PC1616, PC1832, and PC1864
How it works
Simple setup. Powerful capabilities unlocked.
- The SEM connects to your compatible legacy panel
- Your system links securely to our unified platform
- Access seriously smart security features in the app
What you can do with SEM
Get the best of Alarm.com.
- Arm and disarm your panel from the app
- Monitor and manage your system anytime, anywhere
- Get real-time alerts for alarms and activity
- Simplify everyday living with connected devices + smart home features
Ready to upgrade?
Talk to your service provider today to level up your existing security system without starting from scratch
For more information on installation and troubleshooting, see SEM DSC PowerSeries and/or SEM Honeywell/ADEMCO Vista.