The AJAX GlassProtect Jeweller is a compact, wireless glass break detector designed for indoor perimeter protection. It analyzes the combined low-frequency impact and high-frequency glass shatter sounds to accurately identify glass break events while filtering out false alarms.
Power & Battery
• Battery Life: Up to 7 years (1 × CR123A, pre-installed)
• Operating Voltage: 3 V (nominal, 2.1–3.3 V range)
📡 Communication
• Protocol: Jeweller (two-way, encrypted)
• Range: Up to ~5,500 ft (open space)
• Communication Loss Detection: ~36 seconds
🔎 Detection
• Sensor: Electret microphone
• Algorithm: DualTone (impact + glass break sound analysis)
• Detection Distance: Up to 9 m (≈ 29 ft)
• Angle: 180° horizontal
• Sensitivity: 3 levels
• External Input: Terminals for third-party wired NC detector
🛡️ Security Features
• Tamper Alarm: Alerts if device is removed or detached
• Anti-Interference: Authentication, jamming detection, encrypted communication
• False Alarm Filtering: Dual-stage audio verification (impact and shatter recognition)
🌐 Environmental & Physical
• Use: Indoor only
• Protection Class: IP50
• Operating Temperature: –10°C to +40°C
• Humidity: Up to 75%
• Dimensions: 90 × 20 mm
• Weight: ~30 g
📦 Package
• Includes: GlassProtect detector, SmartBracket mount, installation kit, 1 CR123A battery (pre-installed)