New Product

LX LoRa Connect

Ultra long-range, wireless, integration system
Ultimate Precision Detection

D-TECT Laser white housing (GJD500/W)

Create virtual walls and ceilings
Surveillance at the speed of light

Laser-Watch (GJD515)

Up to 500m detection range
High Performance Perimeter Detection

External Detectors

Offering versatile security solutions
Clarius Hybrid IP range of LED illuminators
Reliable and Consistent Illumination

Hybrid IP Infra-Red & White-Light LED Illuminators

All in one lighting solutions

External Wireless Detectors


About Us

GJD is an industry leader in external perimeter protection and intruder detection solutions

About Us

Company news


GJD is an Ava Group company, a market leader of risk management technologies featuring a range of complementary solutions.

Find Out More
AVA Group logo

We offer site visits to security installation companies throughout the UK.

We recommend the highest quality perimeter protection and intruder detection solutions.

Get in touch to arrange a site visit

What can GJD offer?

We aim to add value to your security projects and provide you with the technical expertise you require to ensure your site has the highest levels of external detection and LED illumination.

Our practical hands-on course

This is a free course designed for those who are just starting out in the security industry; or those who would like a refresher on the latest technology. The course will provide attendees with specific product expertise, industry and product knowledge, as well as case study examples showing a range of different applications for GJD products.

If you would like more information or to register to attend this course please email

We offer site visits all over the UK

As part of our visit we will specify the best detection and LED illumination products required.

This is a free of charge service. If you would like to arrange a site visit please email

Sign up to watch active product demonstrations

Every security project has unique requirements so it’s important to see the products in action before installing. Our demonstrations show our Laser detectors, IP detectors and Clarius LED illuminators so you can see for yourself how they can benefit your next security project.

Product demonstrations are free of charge, email to book a demonstration.

See below for a list of all the events GJD is exhibiting, attending or hosting:

Smart SD Smart Security Technology Expo – Exhibiting on Tuesday June 21, 2022 in Katwijk, The Netherlands

Our aim is to provide reliable human detection systems and intelligent deterrent solutions for the global security market.

£181 million is stolen from homes in London every year.

* 2021 security stats

Designing the detection
systems of the future


Download the brochure

Businesses worldwide rely on our state-of-the-art security solutions.

We’re the most reliable choice you can make.

Get in touch

To find out more about our security solutions, contact us today.

+44 (0)1706 363 998
This field is for validation purposes and should be left unchanged.