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2. Security alarm - Wikipedia

   en.wikipedia.org/wiki/Security_alarm

   A wireless system can be moved to a new property easily. An important wireless connection for security is between the control panel and the monitoring station. Wireless monitoring of the alarm system protects against a burglar cutting cables or from failures of an internet provider. This setup is commonly referred to as fully wireless.

3. CSL Group Ltd - Wikipedia

   en.wikipedia.org/wiki/CSL_Group_Ltd

   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 ...

4. Passive infrared sensor - Wikipedia

   en.wikipedia.org/wiki/Passive_infrared_sensor

   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 ...

5. AMCO Burglar Alarm Company - Wikipedia

   en.wikipedia.org/wiki/AMCO_Burglar_Alarm_Company

   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.

6. SimpliSafe - Wikipedia

   en.wikipedia.org/wiki/SimpliSafe

   “Best Overall Home Security Systems” by U.S. News & World Report in 2020, 2022 and 2023 [40] “Best DIY Alarm System” by CNET in 2020 and 2021 [ 41 ] References

7. G4S - Wikipedia

   en.wikipedia.org/wiki/G4S

   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 ...