Qolsys IQ Glass-S Encrypted Glass Break Sensor (QS1431-840)
 
 
Description
The Qolsys IQ Glass-S is a wireless encrypted glass break sensor designed to detect the sound frequency of breaking glass and alert your system to potential intrusion. Using S-Line encryption technology, it ensures secure communication with the IQ Panel while maintaining compatibility with legacy 319.5 MHz systems. Ideal for protecting windows in larger rooms, it actively listens for glass break events when the system is armed in Stay or Away mode.
 
Key Features
Detects the sound frequency of breaking glass
Encrypted S-Line wireless communication
Compatible with legacy 319.5 MHz systems
Active monitoring when system is armed (Stay or Away modes)
Designed for wall or ceiling installation
Covers windows within line of sight up to 20 ft
Ideal for large rooms or multi-window areas
 
Specifications
Detection Range: Up to 20 ft (line of sight)
Sensor Type: Acoustic glass break detection
Wireless Technology: S-Line encrypted (319.5 MHz compatible)
 
Compatibility
Qolsys IQ Panels with S-Line support
Legacy 319.5 MHz systems
Important Notes
Typically installed on opposite wall or ceiling for optimal coverage
Designed for indoor use
Requires system to be armed for active monitoring