Founded in 1983, GJD is a UK based company specialising in the design and manufacture of a range of professional security products including wired and wireless outdoor motion detectors, controllers for CCTV and security lighting, voice enunciators, autodiallers, people counters and tamper triggers.

	Access Control Systems			Shock Sensors
	Door Entry Systems			Wireless Alarm Systems
	Turnstiles - Mechanical/Optical			Security
	Building Energy Management			Manufacturer
	Building Management Systems			Infra-red Perimeter Protection
	Monitoring Station Equipment			Aviation/Port Security
	Intruder Alarm Systems			Door Supervisors
	Intruder Detectors			Electronic Security
	IP Intruder Alarm Systems			Event Security
	IR Detectors			Retail