Smarten up an old alarm system

We are committed to providing Cost Effective Upgrades.

adc sem300

Upgrade Existing Security System

Transform your existing Honeywell Vista security system into a modern, smart home security solution . Our powerful upgrade options brings your traditional alarm system into the digital age, offering advanced features and connectivity without the need for a complete system replacement.

Our technicians are able to go out to your home and help switch your system over to us for little or no cost. We’ll test your system, activate it with our monitoring center, and restore your existing alarm system to full functionality.

Do you have an older Honeywell Alarm System you would like to upgrade?

Let us take over your existing alarm system

Older security panels, such as the Honeywell/ADEMCO VISTA-10P, VISTA-15P, and VISTA-20P, often rely on outdated communication methods that may no longer be supported such as POTS Phone Lines. Upgrading with the Alarm.com module provides several key benefits:

1. Reliable & Secure Wireless Signaling

The module uses 4G LTE connectivity, ensuring fast and stable communication between your security system and central monitoring stations. It also supports broadband ethernet as a secondary communication path for added redundancy.

2. Remote Access & Control

Through the Alarm.com app, users can remotely monitor, configure, and control their security system from anywhere via a web interface or smartphone app. This means you can:

  • Arm and disarm your system
  • Receive instant alerts for security events
  • Manage user codes remotely

3. Advanced Home Automation with Z-Wave Plus

Our upgrade is Z-Wave Plus compatible, allowing seamless integration with smart home devices such as:

With Z-Wave Plus technology, users benefit from improved range, enhanced stability, and lower power consumption for a more efficient smart home experience.

4. Built-in System Status Indicators

The SEM includes LED indicators that provide visual feedback on system connectivity and status, making it easy to diagnose any issues at a glance.

5. ETL Certified for Safety & Reliability

The Alarm.com SEM is ETL certified, ensuring compliance with high industry standards for safety, security, and sustainability.

6. No Additional Power Supply Needed

Unlike some upgrade modules, the Alarm.com SEM does not require an external power source, simplifying installation and reducing clutter.

smart thermostat

Key Features of the Alarm.com SEM:

  • Fast, reliable, and secure wireless communication

  • Supports Z-Wave Plus devices for smart home integration

  • Remote panel configurations, including adding new sensors

  • Over-the-air (OTA) upgrades for continuous improvements

  • Internal antennas and cover/wall tamper protection

  • Central station signaling with CID and SIA support

Get Started with Your Upgrade

If you’re ready to upgrade your existing Honeywell/ADEMCO VISTA panel with the Alarm.com System Enhancement Module, St. Louis Alarm Company is here to help! We offer professional installation and support to ensure your system runs smoothly and efficiently.

We also provide a range of security systems and access control solutions powered by Alarm.com. Check out our offerings in our shop and bring your home security into the modern era!

Getting a Quote for Your New System is Easy, Fast and Free

Trusted Brands