Ajax EN54 FireProtect Sounder

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

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.

Alarm annunciation test

An audible alarm check to ensure the fire alarm is clearly audible on the premises.

Installation recommendations

Follow your local fire safety regulations when selecting the device's installation site.

The device is designed for outdoor and indoor use.

Sabotage protection