Sounder/VAD (Blue) Jeweller

Jeweller communication technology

Proprietary wireless communication technology to transmit commands, alarms, and events.

Key features:

• Two-way communication.
• Advanced sabotage protection.
• 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 20 mW

Automatic power control to reduce power consumption and radio interference.

Radio signal modulation

GFSK

Radio communication range

up to 5,550 ft

Between the device and fire alarm central unit or a range extender in an open space.

Encrypted communication

All stored and transmitted data is protected by block encryption featuring a dynamic key.

Frequency hopping

To prevent radio interference and jamming.

Alarm type

acoustic and light

A sounder and LED frame.

Sound volume

at a distance of 3.3 ft

Tone 33: 660 Hz, 1.5 s ON ×3 / 0.5 s OFF ×2 / 2 s OFF, max 95 dB

Adjusted by a PRO or user with admin rights in an Ajax app.

Current consumption in alarm mode

185 mA

Sound pattern

33 tones

Sound synchronization

An audible alarm is automatically synchronized on all devices with a sounder connected to the same fire alarm central unit.

Flash frequency

90 ms ON / 1,910 ms OFF (cycle duration: 2,000 ms; frequency: 0.5 Hz)

Alarm annunciation test

To check the sound and visual alerts to ensure alarm signals are clearly audible and visible in the premises.

Sounder/VAD (Blue) Jeweller

4 × CR123A battery (pre-installed)

SmartBracket mounting panel

Installation kit

Quick start guide

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