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Ajax vhfBridge Jeweller (8PD) (with casing) - Black
DELIVERY
We always aim to same day dispatch on all orders received before 2.30pm.
TRADE COUNTER
Firesense also offer the ability to collect your order from our trade counter.
Module for sending Ajax events to third-party VHF transmitters. It is used where radio alarm transmission to monitoring infrastructure is required. It gives you more flexibility on awkward sites and helps protect the margin by reducing workarounds.
Key features:
- Connects Ajax to VHF transmitters
- Transmits alarm and system events
- Backup power support
- Configured through Ajax apps
- Jeweller wireless communication
- Designed to extend or integrate Ajax systems
- Remote status visibility
- Installer-friendly commissioning
- Supports more flexible system design
| Category Type | Integration modules |
|---|---|
| Colour | Black |
| IP Rating | IP40 |
| System Type | Intruder |
| Clearance | No |
Communication
| Jeweller communication technology |
Proprietary wireless communication technology to transmit commands, alarms, and events. Key features:
|
| Frequency bands |
866.0 – 866.5 MHz Depends on the sales region. |
| Maximum effective radiated power (ERP) |
up to 20 mW Automatic power control to reduce power consumption and radio interference. |
| Radio signal modulation | GFSK |
| Radio communication range |
up to 1,800 m Between the range extender and a hub in an open space. |
| Encrypted communication |
All stored and transmitted data are protected by block encryption featuring a dynamic key. |
| Frequency hopping |
To prevent radio interference and jamming. |
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) |
Sabotage protection
| Protection against spoofing | device authentication |
| Tamper alarm | 2 tampers |
| Communication loss detection | after 36 s Detection time depends on the Jeweller or Jeweller/Fibra settings. |
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 |
VHF transmitter power 10.5–15.5 V⎓, up to 2 A |
Enclosure
| Dimensions | 196 × 238 × 100 mm |
| Weight | 840 g |
| Operating temperature range | from −10 °C to +40 °C |
| Operating humidity | IP40 |
Colour
| Available colours | Black, White |
Complete Set
| Contains | vhfBridge Jeweller Power cable 12 V battery connection cable Installation kit Casing Quick start guide |
Warranty
| Warranty Period | 24 months |