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  2. Fire alarm call box - Wikipedia

    en.wikipedia.org/wiki/Fire_alarm_call_box

    A fire alarm box, fire alarm call box, or fire alarm pull box is a device used for notifying a fire department of a fire or a fire alarm activation. Typically installed on street corners or on the outside of commercial buildings in urban areas, they were the main means of summoning firefighters before the general availability of telephones.

  3. ADT Inc. - Wikipedia

    en.wikipedia.org/wiki/ADT_Inc.

    ADT began to expand into new areas, such as fire alarms and security alarms, between 1910 and 1930, but was kept separate from AT&T's Holmes alarm business. ADT became a publicly traded company in the 1960s. [12] In 1964, ADT was found to be a monopoly in restraint of trade. It was shown to provide almost 80% of the central station alarm ...

  4. Tyco Integrated Security - Wikipedia

    en.wikipedia.org/wiki/Tyco_Integrated_Security

    Tyco Integrated Security is a business unit of Tyco International.It is a company specializing in electronic security products, installation and services. The company's principal place of business in the U.S. is Boca Raton, Florida; and Mississauga, Ontario in Canada with over 10,000 employees and nearly 200 offices throughout North America.

  5. Security alarm - Wikipedia

    en.wikipedia.org/wiki/Security_alarm

    Alarm control panel (ACP), or simply panel: The panel reads sensor inputs, tracks arm/disarm status, and signals intrusions. In a modern device, there are typically one or more computer circuit boards inside a metal enclosure. Many newer networks often use sealed plastic boxes.

  6. Monitronics - Wikipedia

    en.wikipedia.org/wiki/Monitronics

    As of 2015, it was the second largest security alarm monitoring company in the United States, behind ADT. [5] In 2013, MONI purchased Security Networks, a network of about 225 security dealers, for $507 million to diversify its service offerings and enter into the developing and complementary DIY home service category. [6]

  7. Fake security camera - Wikipedia

    en.wikipedia.org/wiki/Fake_security_camera

    Fake security cameras (or dummy cameras, simulated cameras, decoy cameras) are non-functional surveillance cameras designed to fool intruders, or anyone who it is supposedly watching. [1] Those cameras are intentionally placed in a noticeable place, so passing people notice them and believe the area to be monitored by CCTV .

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