Ajax uses own two-way protocol - Jeweller

Know-how radio technology for stable communication with detectors over long distance.

Simple operation — through mobile (iOS / Android) / Web applications, can be monitored, managed and configured from anywhere in the world from your smartphone or desktop.

Easy to install — due to SmartBrackets up to 15 min.

Modern software — remote updates and configuration, user-friendly interface.

The distinctive design comes in two colours, black and white.

Protection — backup battery, jamming detection and prevention, encryption floating key backup, GSM-channel.

Own protocol Jeweller — secure communication between the devices at a distance of up to 2000 m in open space and high energy efficiency - the batteries in the detectors live up to 7 years.

The possibility to connect to central monitoring station (via ContactID protocol).

The Ajax ecosystem already includes devices not only for protection from intrusion, but also for early detection of fire/flooding.

Ajax Security System app can broadcast RTSP streams from security cameras

You can connect any IP camera that uses the RTSP protocol to the Ajax security system. There are no restrictions on brands or models, and the application supports up to 10 cameras or streams.

2019 Products:
Ajax Rex - Range Extender
Ajax Button - Panic / Help / Control Button
Ajax Socket - Smart Socket with LED
Ajax Motion Protect Curtain
Ajax Motion Protect Outdoor
Ajax Hub 2
Ajax Motion Cam

2020 Products:
6V and 12V PSU for Ajax Hub
Hood for Ajax MotionProtect Outdoor
Ajax StreetSiren DoubleDeck
Ajax Hub 2 Plus
Ajax MultiTransmitter
Ajax DoubleButton

2021 Products:
Ajax KeyPad Plus
Ajax DualCurtain Outdoor
Ajax MotionCam Outdoor
Ajax Fibra Product Line
Ajax Hub2 4G
Ajax Rex 2
Ajax vhfBridge
Ajax Socket (type G)

2022 Products:
Ajax MotionCam PhOD
Ajax MotionCam Outdoor PhOD
Ajax LifeQuality
Ajax LightSwitch
Ajax WaterStop
Ajax FireProtect 2

2023 Products:
Ajax LineSplit Fibra
Ajax KeyPad TouchScreen
Ajax MultiRelay Fibra
DoorProtect G3 Fibra
LineProtect Fibra
Ajax NVR

2024 Products:
Transmitter Fibra
FireProtect 2 AC
LineSupply (45 W) Fibra


We are a small local charity and Alex supplied and fitted a new intercom system for us. Alex was polite and friendly at all times and provided an excellent service. I will be using him for home security too. Thoroughly recommend.

Kingston Bereavement Service

Bought a number of Ajax alarm products. Excellent communication, competitive prices, fast delivery. Highly recommended.


The best ever! Very patient and informative communications via emails before I decided to go for ALD Security! Very professional and gentlement service for building a secure and safe home! I've the security cameras, alarm system, and intercom installed together. Aleks is the best in the field I've ever met! Thank you so much! I highly recommend him to everyone. After seeing his perfect service, my neighour approached him too.


Great doing business with you. Not only quick service, also willing to assist and advice in every possible way.
Highly recommend.

Tomaz Vesel

Great service & support. Alex was very customer friendly and helpful. Highly recommend using these guys.

Sat Shah