Ajax vhfBridge Jeweler Without Casing VHF Module for Ajax Systems

Ajax vhfBridge Jeweler Without Casing VHF Module for Ajax Systems

 

38188.92.WH1 # 38188 | Ajax vhfBridge Jeweller Without Casing is a professional module designed to integrate Ajax security systems with third-party VHF transmitters in custom installations or within technical cabinets. It enables full transmission of Ajax events to VHF , uses encrypted two-way Jeweller communication up to 1,800 m , offers 8 configurable positive or negative outputs , ensures remote management and configuration via app and ensures operational continuity with mains power and backup battery for up to 75 hours . The version without casing is ideal for advanced integrations that require maximum installation flexibility and professional EN 50131 Grade 2 security standards. Ajax

Technical Data Sheet

referencia : 38188.92.WH1

brand : Ajax Systems

EAN: 4823114015441

Manufacturer Object ( [id] => 31 [name] => Ajax Systems [description] =>

Establecido en 2011, Ajax Systemconstruye sistemas inalámbricos de incendio y alarma con la tecnología inalámbrica JEWELLER que le permite monitorear de manera segura todos los dispositivos de red conectados. Ajax System ofrece soluciones para el hogar, la oficina o las actividades comerciales, gestionables a través de la App, siempre actualizadas y compatibles con los sistemas iOS y Android. Los sistemas de alarma de Ajax System son fáciles de instalar, de hecho sólo toma 15 segundos conectar la unidad de control a los sensores. Además, pueden integrarse con las cámaras de vigilancia, tienen un margen de error casi nulo y, en caso de peligro, en menos de 150 milisegundos envían una notificación (sms, push o call).

[short_description] =>

Ajax SystemsAjax Systems


Los sistemas de alarma Ajax system utilizan la última tecnología inalámbrica que hace que todos los productos sean fiables y estén siempre conectados. Además de su excelente rendimiento, los sistemas de alarma Ajax se distinguen por su diseño moderno y elegante.

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38188.92.WH1 | WIRELESS MODULE FOR CONNECTING AJAX SECURITY SYSTEMS TO THIRD-PARTY VHF TRANSMITTERS

Ajax

The Ajax vhfBridge Jeweller Without Casing is a professional module designed for advanced integration of Ajax security systems with third-party VHF transmitters, ideal for custom installations inside technical cabinets or enclosures. Thanks to secure Jeweller radio communication and full app management, it enables reliable transmission of events to monitoring stations, maintaining high standards of security and operational continuity. The casing-free version guarantees maximum installation flexibility in complex professional environments.

Main specifications:

- Transmission of all Ajax events to VHF transmitters

- Two-way, encrypted Jeweler communication up to 1,800 m

- 8 configurable positive or negative outputs for VHF integration

- Anti-sabotage protection with anti-opening and anti-removal tamper

- Supports mains power and battery backup up to 75 hours

- Remote management and configuration via Ajax app

Further details

✅ Jeweler Communication:
The Ajax vhfBridge module uses the encrypted two-way Jeweller radio protocol to ensure secure and reliable transmission of alarm events, with a range of up to 1,800 meters in open terrain, protection against interference and falsification, and constant monitoring of the connection status between the Ajax hub and the device.
✅ Main features :
Designed to connect Ajax security systems to third-party VHF transmitters, vhfBridge allows sending all events via 8 configurable positive or negative outputs, manageable from the app, supports quick pairing via QR code and remote configuration, and complies with the EN 50131 Grade 2 standard for professional installations.
✅ Anti-sabotage protection :
The device integrates advanced security functions such as anti-opening and anti-removal tamper, frequency hopping and protection against signal falsification, ensuring immediate notifications in the event of tampering attempts and maintaining a high level of system reliability.
✅ Power supply :
Powered by 110–240 V AC mains, vhfBridge supports a 12 V backup battery (not included) that provides up to 75 hours of battery life in the event of a power outage and provides dedicated power to VHF transmitters with output up to 2 A, ensuring operational continuity and system stability.

Technical data sheet

38188.92.WH1
Communication
Jeweler communication technology Proprietary wireless communication technology to transmit commands, alarms, and events.
Key features:
  • Two-way communication.
  • Advanced anti-sabotage.
  • Block encryption featuring a dynamic key.
  • Instant notifications.
  • Remote configuration via the Ajax apps.
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 25 mW
Automatic power control to reduce power consumption and radio interference.
Radio signal modulation GFSK
Radio signal range Up to 1,800 m
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 To prevent radio interference and jamming
Power supply
Main 100–240 V, 50/60 Hz
Backup 12 V⎓ battery, 4 or 7 Ah
A backup battery is not included. The battery should have a full charge cycle of up to 30 hours.
Calculated battery life up to 75 hours
VHF transmitter power 10.5–15.5 V⎓, up to 2 A
Key features
Control via smartphone Users can set up the module configurations and receive notifications in Ajax apps
Number of potential outputs 8
Compatibility with third-party VHF radio transmitters Any VHF transmitter with relay inputs can be connected to vhfBridge Jeweller
Adjustable pulse duration from 0.5 to 255 s
Operation modes
  • pulse
  • bistable
Output types
  • high potential (positive trip)
  • low potential (negative trip)
Recommendations The device is designed for indoor use only.
Sabotage protection
Protection against spoofing device authentication
Tamper alarm 2 tampers
Notifications on attempts to detach the device from the surface or remove it from the mounting panel
Communication loss detection after 36 s
Detection time depends on the Jeweler or Jeweller/Fibra settings
Enclosure
Dimension 145 × 89 × 51 mm
Weight 165 g
Operating temperature range from −10 °C to +40 °C
from 14 °F to 104 °F
Temperature range from 32 °F (0 °C) to 120 °F (+49 °C) is certified according to UL/ULC standards
Operating humidity up to 75%
Humidity of up to 93% is certified according to UL/ULC standards
Complete set vhfBridge Jeweler
Power cable
12 V battery connection cable
Installation kit
Casing
Quick start guide
Warranty 24 months
All our products are in conformity with the in force CE normative (read here). To ask for a copy of the certification fill out this form