38108.05.BL1 # 38108 | Ajax GlassProtect Jeweller black is a high-precision wireless sensor designed to detect glass breakage using an advanced electret microphone, ensuring fast and reliable protection for windows and glass. It uses the DualTone algorithm to distinguish real breakage events from common noises, ensuring maximum reliability. Jeweller radio technology offers secure communication up to 1,200 m with encryption and anti-spoofing. Compact, elegant, and easy to install, it operates for up to 7 years on a built-in battery, maintaining stable performance even in variable environmental conditions. An ideal device for modern security systems that require precision, autonomy, and immediate integration. Ajax
referencia : 38108.05.BL1
brand : Ajax Systems
EAN: 4823114014840
Disponibilità: 39
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38108.05.BL1 | WIRELESS GLASS BREAK DETECTOR WITH MICROPHONE

The Ajax GlassProtect Jeweller, 38108.05.BL1, black , is an ultra-compact sensor designed to accurately detect glass breakage thanks to a highly sensitive electret microphone and the DualTone algorithm, which analyzes both low and high frequencies to ensure maximum reliability and avoid false alarms. Jeweller's wireless communication ensures a range of up to 1,200 m with advanced encryption and anti-tamper technology, while the long-lasting battery ensures stable operation for up to 7 years. Installable in seconds via QR code, it is ideal for windows, glass doors, and environments requiring discreet yet highly professional protection.
Main specifications:
- Glass break detection via electret microphone with DualTone analysis
- Safe and reliable Jeweler communication up to 1,200 m
- High immunity to false alarms and immediate response to the event
- Anti-sabotage protection and constant monitoring of the sensor status
- Up to 7 years of battery life with pre-installed battery
- Quick installation with QR code and compact design in black color
Further details
Technical data sheet
| 38108.05.BL1 | |
| Communication | |
| Jeweler communication technology | Proprietary wireless communication technology to transmit commands, alarms, and events. Key features:
|
| Radio frequency bands | 866.0 - 866.5 MHz 868.0 - 868.6 MHz 868.7 - 869.2 MHz 905.0 - 926.5 MHz 915.85 - 926.5 MHz 921.0 - 922.0 MHz Depence on the sales reaction |
| Maximum effective radiated power (ERP) | up to 20 mW Automatic power control to reduce power consumption and radio interference. |
| Radio signal modulation | GFSK |
| Radio signal range | Up to 1,000 m up to 3,300 ft Between the detector and a hub (or radio signal range extender) in an open space. |
| Encrypted radio communication | All the data stored and transmitted are protected by block encryption featuring a dynamic key. |
| Frequency hopping | Radio communication uses frequency hopping to prevent interception and jamming |
| Detection | |
| Sensitive element | electret microphone |
| Glass break detection distance | from 0.3 to 9 m from 1 to 30 ft |
| Glass break detection angle | horizontal: 180° |
| Sensitivity | 3 levels Adjusted by PRO or user with admin rights in the Ajax app. |
| False alarm prevention | DualTone Two-factor software algorithm for glass break verification by low and high sound frequencies. |
| Input for additional detector connection | Wired detector with a normally closed (NC) contact type. |
| Caution | The device will not detect glass breaking if the glass is covered with shockproof, sunscreen, decorative, or any other film. The device is designed for indoor use only. |
| Sabotage protection | |
| Tamper alarm | Notifications on attempts to detach the device from the surface or remove it from the mounting panel. |
| Protection against spoofing | device authentication |
| Communication loss detection | after 36 s Detection time depends on the Jeweler or Jeweller/Fibra settings. |
| Power Supply | |
| Battery | 1 × CR123A Pre-installed. |
| Calculated battery life | up to 7 years |
| Detector's operating voltage range | 2.1−3.3 V⎓ |
| Device's nominal operating voltage | 3 V⎓ |
| Quiescent device's current consumption at nominal voltage | 18 μA |
| Maximum device's current consumption at nominal voltage | 21 mA |
| Manufacturer | Huiderui or Duracell |
| Enclosure | |
| Color | Black |
| Dimension | 90 × 20 × 20 mm 3.54″ × 0.79″ × 0.79″ |
| Weight | 30 g 1.06 oz |
| Operating temperature range | from −10 °C to +40 °C from 14 °F to 104 °F |
| Operating humidity | up to 75% |
| Casing protection class | IP50 |
| Complete set | GlassProtect Jeweler SmartBracket mounting panel CR123A battery (pre-installed) Cable for connecting third-party devices Installation kit Quick start guide |
| Warranty | 24 months |



