Skysonic Technology – Security System Johor Bahru

Malaysia Top-Quality CCTV & Automation Company

Ajax Home Siren | Ajax Wireless Alarm

Wireless indoor siren

An audio alarm system with a customizable sound level between 81 and 105 dB and external LED connector. Maintains a connection to Ajax Hub at a distance of up to 2,000 meters in open space.


Maximum performance

•Works up to 2,000 meters from Ajax Hub in open space or across several floors of a business center .

• External LED connector.

• Powered by the built-in batteries.

• Alarm length and sound level are customizable (81-105 d8).


Protection from intruders and failure

• Tamper-resistant body.

• Disassembly immediately activates an alarm.

•Polling period from 12 seconds.


Effortless operation

• Works at temperatures between 0°C and +50°C and humidity up to 75%.

• Has a battery life of up to 5 years.

• Indicates current state (arm/disarm/armed).

• Battery indicator shows battery level.


Simple professional-level installation

• Interactive manual for easy installation.

• No need to disassemble the body when installing using SmartBracket mounts.

• The quality of the connection can be tested remotely .

Additional information



Device type




Alarm type


External LED connector


Sound alarm volume

Adjustable, 81-105 dB at the distance of 1 m

Working frequency of piezo buzzer

3.5+0.5 kHz

Arm/disarm/armed state indication


Power supply

From on-board batteries

Battery type

2 CR123A batteries, 3 V

Battery indicator


Battery life

Up to 5 years

Standby current

70 MA (when polling every 36 seconds)

Tamper protection


Radio signal power

25 mW

Communication protocol

Jeweller (868.0-868.6 MHz)

Maximum distance between detector and central unit

Up to 2,000 m (6,552 ft) (in open area)

Polling interval

12-300 sec (adjustable)

Alarm triggering time

Less than a second

Customizable alarm duration

Between 3 sec and 3 min

Ingress protection


Working temperature range

From 0°C (+32°F) to +50°C (+122°F)

Operating humidity

Up to 75%


75×75,6×26,6 mm (2.95×2.98×1.02 in)



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