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  2. Dead Hand - Wikipedia

    en.wikipedia.org/wiki/Dead_hand

    Dead Hand, also known as Perimeter (Russian: Система «Периметр», romanized: Sistema "Perimetr", lit. '"Perimeter" System', with the GRAU Index 15E601, Cyrillic: 15Э601), [1] is a Cold War–era automatic or semi-automatic nuclear weapons control system (similar in concept to the American AN/DRC-8 Emergency Rocket Communications System) that was constructed by the Soviet Union ...

  3. 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.

  4. Perimeter security - Wikipedia

    en.wikipedia.org/wiki/Perimeter_security

    These systems were large and very expensive. In the military, small force deployment has created complex perimeter protection problems. It has also created opportunities for innovation. Secure wireless communications, lightweight weaponry, faster transport, and portable perimeter protection have all become vital to the success of such missions.

  5. Physical security - Wikipedia

    en.wikipedia.org/wiki/Physical_security

    Physical security involves the use of multiple layers of interdependent systems that can include CCTV surveillance, security guards, protective barriers, locks, access control, perimeter intrusion detection, deterrent systems, fire protection, and other systems designed to protect persons and property.

  6. Security alarm - Wikipedia

    en.wikipedia.org/wiki/Security_alarm

    Remote alarm systems are used to connect the control unit to a predetermined monitor of some sort, and they are available in many different configurations. Advanced systems connect to a central station or first responder (e.g. police/fire/medical) via a direct phone wire, a cellular network, a radio network, or an IP path. In the case of a dual ...

  7. Category:Perimeter security - Wikipedia

    en.wikipedia.org/wiki/Category:Perimeter_security

    Outdoors mechanical and/or electronic systems conceived to protect the external perimeter of a facility. ... Access control (6 C, 52 P) G. Guardhouses ...

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