vhfBridge Jeweller

Jeweller 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 control and configuration in Ajax apps.

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

Depends on the sales region.

Maximum effective radiated power (ERP)

up to 25 mW

Radio signal modulation

GFSK

Radio communication range

up to 5,900 ft

Between the module and a hub (or a range extender) 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.

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

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)

Protection against spoofing

device authentication

Tamper alarm

2 tampers

Notifications on attempts to detach the device from the surface or open the front lid.

Communication loss detection

after 36 s

Detection time depends on the Jeweller or Jeweller/Fibra settings.

vhfBridge Jeweller

Power cable

12 V battery connection cable

Installation kit

Casing

Quick start guide