Tech specs
Type4 FireProtect (Sounder) Jeweller
Wireless Type 4 addressable fire alarm sounder

Device compatibility
CheckCommunication
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
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 1,700 m
Between the device and a 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 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
33 tones
Sound synchronization
An audible alarm is automatically synchronized on all devices with a sounder connected to the same fire alarm central unit.
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
Tamper button
Fault notification when an attempt is made to remove the device from the mounting panel.
Lock for SmartBracket
to secure the device on the SmartBracket mounting panel
When locked, the lock secures the device and prevents it from being removed without a special tool.

Protection against spoofing
device authentication
Connection loss detection
after 36 s
Detection time depends on Jeweller settings.
Power supply
Battery
4 × CR123A
Pre-installed.
Tool-free battery replacement
To replace the batteries, turn the battery compartment cover counterclockwise.

Reverse polarity protection
Prevents device damage if the batteries are put in incorrectly.
Recommended battery type
Huiderui CR123A; 3 V; 1,600 mAh, LiMnO₂
Calculated battery life
up to 5 years
Enclosure
Dimensions
145 × 145 × 51 mm
Weight
527 g
Operating temperature range
from –10 °C to +60 °C
Operating humidity
up to 80%
Protection class
IP54
Flammability rating
UL 94 V-0


Color
Black

White

Red

Complete set
Type4 FireProtect (Sounder) Jeweller
4 × CR123A battery (pre-installed)
SmartBracket mounting panel
Installation kit
Quick start guide
Revision
1