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  2. Standards for Alarm Systems, Installation, and Monitoring

    en.wikipedia.org/wiki/Standards_for_Alarm...

    The Underwriters Laboratories' UL 365 is a safety standard that governs the construction, performance, and maintenance of police station-connected burglar alarm units and systems. These systems are designed primarily for use in mercantile premises, including mercantile safes and vaults, as well as bank safes and vaults.

  3. Guardian Alarm - Wikipedia

    en.wikipedia.org/wiki/Guardian_Alarm

    Guardian Alarm installs, monitors, and services home and business security systems. The company offers various security systems such as burglar alarm systems, 24/7 security monitoring, indoor and outdoor cameras, video surveillance, smart automation, access control systems, and fire, water, and carbon monoxide detection.

  4. Perimeter intrusion detection - Wikipedia

    en.wikipedia.org/wiki/Perimeter_intrusion_detection

    A fence-mounted perimeter intrusion detection system installed on a chain link fence. A perimeter intrusion detection system (PIDS) is a device or sensor that detects the presence of an intruder attempting to breach the physical perimeter of a property, building, or other secured area.

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  6. G4S - Wikipedia

    en.wikipedia.org/wiki/G4S

    The company also provides 'security systems' such as access control, CCTV, intruder alarms, fire detection, video analytics and security and building systems integration technology. [78] ' Monitoring and response services' is another core service, where G4S provides key holding, mobile security patrol and response services and alarm receiving ...

  7. Security alarm - Wikipedia

    en.wikipedia.org/wiki/Security_alarm

    Although an intruder alarm panel may also have these detectors connected, it may not meet all the local fire code requirements of a fire alarm system. Traditional smoke detectors are ionization smoke detectors which create an electric current between two metal plates, which sound an alarm when disrupted by smoke entering the chamber.