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  2. Closed-circuit television camera - Wikipedia

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

    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 possible. A typical analogue CCTV camera has a PAL (768x576 pixels ) or NTSC (720x480 pixels), whereas network cameras may have VGA (640x480 pixels), SVGA (800x600 pixels) or ...

  3. Wireless security camera - Wikipedia

    en.wikipedia.org/wiki/Wireless_security_camera

    Wireless security cameras are closed-circuit television (CCTV) cameras that transmit a video and audio signal to a wireless receiver through a radio band. Many wireless security cameras require at least one cable or wire for power; "wireless" refers to the transmission of video/audio.

  4. Home wiring - Wikipedia

    en.wikipedia.org/wiki/Home_wiring

    Note the connection of the security system to the phone line requires a wiring configuration that allows the security system to disconnect all phones in the home when it needs to connect to the monitoring center. This is critical, if the wiring is not correct the system may not communicate back to base when an intrusion is detected.

  5. IP camera - Wikipedia

    en.wikipedia.org/wiki/IP_camera

    An Internet Protocol camera, or IP camera, is a type of digital video camera that receives control data and sends image data via an IP network. They are commonly used for surveillance , but, unlike analog closed-circuit television (CCTV) cameras, they require no local recording device, only a local area network .

  6. Coaxial cable - Wikipedia

    en.wikipedia.org/wiki/Coaxial_cable

    Used for interior lines for monitoring system, CCTV feeder lines, wiring between the camera and control unit and video signal transmission. PVC jacket. RG-60/U: 50: 1.024: PE: 0.425: 10.8: Single Used for high-definition cable TV and high-speed cable Internet. RG-62/U 92: PF: 0.84: 0.242: 6.1: Single Used for ARCNET and automotive radio ...

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