Napco GEM-GB Wireless Acoustic Glass-Break Detector for Gemini-Series Control Panels and Receivers

Protect glass openings with reliable, low-maintenance detection designed for commercial and residential security systems. The Napco GEM-GB wireless acoustic glass-break detector delivers accurate glass-break recognition with Pattern Recognition Technology to distinguish real break events from everyday noise, reducing false alarms and lowering operational costs. Engineered for Gemini-Series control panels and receivers, the GEM-GB transmits a unique RF ID code for secure, simple enrollment and supports a 25' coverage radius to monitor windows even behind blinds or light drapes. Factory-installed DL123A 3V lithium batteries and an automatic test routine speed installation and cut down on follow-up site visits, while tamper detection and the included mounting kit ensure dependable long-term performance. Technicians and end users benefit from quick on-site verification via the hand-clap sensor check, making commissioning and maintenance straightforward. Ideal for intrusion detection, perimeter protection, and integrated security and surveillance setups, the Napco GEM-GB is a practical choice for businesses and installers who need robust glass-break monitoring. Add the GEM-GB to your Gemini-Series security configuration today to improve detection and reduce false alarms.

• Reliable intrusion detection with Pattern Recognition Technology to minimize false alarms and reduce unnecessary service calls
• Compatible with all Gemini-Series control panels and receivers for seamless integration into existing security and monitoring systems
• 25' coverage radius and automatic test capability for fast, accurate installation and commissioning
• Battery-powered (two DL123A 3V lithium) with tamper protection and included mounting kit for flexible placement and low maintenance
• End-user hand-clap verification simplifies on-site validation and improves customer satisfaction during service visits