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Website. www.csl-group.com. CSL Group Limited is a British company that specialises in critical M2M (communication) using IoT technology that evolved from a fire and alarm signalling business. [1] CSL began as a supplier of dual signalling burglar alarms. Then known as CSL DuelCom, it pioneered the use of dual signalling, wherein the alarm ...
A security alarm is a system designed to detect intrusions, such as unauthorized entry, into a building or other areas, such as a home or school. Security alarms protect against burglary (theft) or property damage, as well as against intruders. Examples include personal systems, neighborhood security alerts, car alarms, and prison alarms.
g4s.com. G4S is a British multinational private security company headquartered in London, England. [3] The company was set up in July 2004 when London-based Securicor amalgamated with Danish firm Group 4 Falck. The company offers a range of services, including the supply of security personnel, monitoring equipment, response units and secure ...
AMCO specializes in monitored burglar alarms, and is a retailer of immediate audio-response monitored alarm systems (also known as listen in alarm monitoring). In the UK, competitors include ADT, Secom and Chubb . In 2010, AMCO used the internet to crowd-source ideas from the public on how to create the Ultimate Alarm System.
A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors. PIR sensors are commonly used in security alarms and automatic lighting applications. PIR sensors detect general movement, but do not give ...
Website. www.banham.co.uk. Banham Group (formerly known as Banham Patent Locks) is a family owned security company. [1] Established in 1926, Banham Group is now the largest supplier of burglary and fire prevention systems in London. [2][3] The company's history dates back to 1926, when William F. Banham invented the first automatic latch bolt ...
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