Ajax EN54 FireProtect Sounder / VAD

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

868.0 – 868.6 MHz

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 1,700 m

Between the device and control and indicating equipment (CIE) 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 annunciation

Alarm type

acoustic and light

A sounder and LED frame.

Sound volume

up to 100 dB at a distance of 1 m

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

Sound pattern

32 tones

Sound synchronization

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

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 alarm signals to ensure fire alarm signals are clearly audible and visible in the premises.

Installation recommendations

The device's recommended installation height is up to 3 m on the ceiling and up to 2.4 m on the wall.

The device is designed for outdoor and indoor use.

Sabotage protection