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2. Wireless security camera - Wikipedia

   en.wikipedia.org/wiki/Wireless_security_camera

   Analog wireless is found in three frequencies: 900 MHz, 2.4 GHz, and 5.8 GHz. Currently, the majority of wireless security cameras operate on the 2.4 GHz frequency. Most household routers, cordless phones, video game controllers, and microwaves operate on the 2.4 GHz frequency and may cause interference with a wireless security camera.

3. Closed-circuit television - Wikipedia

   en.wikipedia.org/wiki/Closed-circuit_television

   It is estimated to incorporate the video feeds of a total of 15,000 cameras. [164] The system is used by Chicago's Office of Emergency Management in case of an emergency call: it detects the caller's location and instantly displays the real-time video feed of the nearest security camera to the operator, not requiring any user intervention ...

4. PARAFE - Wikipedia

   en.wikipedia.org/wiki/Parafe

   PARAFE (abbreviation of Passage Automatisé Rapide Aux Frontières Extérieures or automated fast-track crossing at external borders) is a passport verification and border control system deployed in France and operated by French border guards. PARAFE consists of automated self-service gates, located at certain French border checkpoints (in ...

5. Home security - Wikipedia

   en.wikipedia.org/wiki/Home_security

   A control panel is implemented to arm and disarm a home security system. The control panel is the main connection to the alarm company monitoring a home. It typically features a touchpad or buttons to easily maneuver the system, and some newer systems also feature voice control or wireless remotes (key fobs). [5]

6. Domain Awareness System - Wikipedia

   en.wikipedia.org/wiki/Domain_Awareness_System

   The backbone of DAS is a network of thousands of physical sensors. NYPD vehicle with mobile license plate readers Private CCTV cameras which are part of the DAS. The most widespread are the network of approximately 9,000 CCTV cameras, owned either by the NYPD or private actors, which are used to generate an aggregate citywide video stream, which are maintained for 30 days, and can be searched ...

7. Closed-circuit television camera - Wikipedia

   en.wikipedia.org/wiki/Closed-circuit_television...

   IP cameras or network cameras are digital video cameras, plus an embedded video server having an IP address, capable of streaming the video (and sometimes, even audio). [3] Because network cameras are embedded devices, and do not need to output an analogue signal, resolutions higher than closed-circuit television 'CCTV' analogue cameras are ...