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  2. AN/MPQ-64 Sentinel - Wikipedia

    en.wikipedia.org/wiki/AN/MPQ-64_Sentinel

    The AN/MPQ-64 Sentinel is an X-band electronically steered pulse-Doppler 3D radar system used to alert and cue Short Range Air Defense (SHORAD) weapons to the locations of hostile targets approaching their front line forces. It is currently produced by Raytheon Missiles & Defense.

  3. Sentry Group - Wikipedia

    en.wikipedia.org/wiki/Sentry_Group

    SentrySafe is a brand of safes manufactured in Rochester, New York. It is owned by the Master Lock Company. [1] It markets safes designed for home, business, and gun storage. In addition to security, SentrySafe includes a range of Underwriters Laboratories (UL)-rated safes to protect valuables from both fire and water.

  4. Safe-cracking - Wikipedia

    en.wikipedia.org/wiki/Safe-cracking

    The combinations for some electronic locks can be retrieved by examining electromagnetic emissions coming from the lock. Because of this, many safe locks used to protect critical infrastructure are tested and certified to resist TEMPEST attacks. These include the Kaba Mas X-10 and S&G 2740B, which are FF-L-2740B compliant.

  5. Smart lock - Wikipedia

    en.wikipedia.org/wiki/Smart_lock

    A smart lock is an electromechanical lock that is designed to perform locking and unlocking operations on a door when it receives a prompt via an electronic keypad, biometric sensor, access card, Bluetooth, or Wi-FI from a registered mobile device. These locks are called smart locks because they use advanced technology and Internet ...

  6. Time-delay combination locks - Wikipedia

    en.wikipedia.org/wiki/Time-delay_combination_locks

    Modern time delay combination locks can have many functions such as multiple different codes, pre-set time lock settings (open and close times), pre-set vacation times (e.g. Christmas Day), dual code facility, and a full audit trail providing a detailed record of the lock history showing who opened the lock, when and how long it was open. [3] [4]

  7. Rotary combination lock - Wikipedia

    en.wikipedia.org/wiki/Rotary_combination_lock

    Many combination locks have three wheels, but the lock may be equipped with additional wheels, each with a drive pin and fly, in a similar manner. The number of wheels in the mechanism determines the number of specific dial positions that must be entered to open the lock, so a three-sequence combination is required for a three-wheel lock.

  8. Lockheed Martin RQ-170 Sentinel - Wikipedia

    en.wikipedia.org/.../Lockheed_Martin_RQ-170_Sentinel

    The Lockheed Martin RQ-170 Sentinel, nicknamed Wraith, [2] is an American unmanned aerial vehicle (UAV) developed by Lockheed Martin and operated by the United States Air Force (USAF) for the Central Intelligence Agency (CIA).

  9. Hall's Safe & Lock Co. - Wikipedia

    en.wikipedia.org/wiki/Hall's_Safe_&_Lock_Co.

    The Hall's Safe & Lock Company was an American [1] manufacturer of locks, safes, and bank vaults throughout the second half of the 19th century. Incorporated by Joseph L. Hall in 1867, the Hall's Safe & Lock Co. of Cincinnati, Ohio quickly grew to become the largest [ 2 ] safe and vault manufacturer in the world.

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