CCTV Service Centre in Lucknow

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What is CCTV?

CCTV stands for closed-circuit television and is commonly known as video surveillance. “Closed-circuit” means broadcasts are usually transmitted to a limited (closed) number of monitors, unlike “regular” TV, which is broadcast to the public at large. CCTV networks are commonly used to detect and deter criminal activities, and record traffic infractions, but they have other uses.

Types of CCTV Cameras

  • Bullet Camera
  • Dome Camera
  • PTZ Camera
  • ANPR Camera
  • Wireless Camera
  • Fish Eye Camera
  • Thermal Camera
  • Panovu Camera
  • Anti-Corrosion Camera
  • Anti- Explosion Camera

Best Brands for CCTV

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Why CCTV is Needed?

CCTV surveillance can deter potential criminals. When a crime does occur, video footage can help law enforcement to investigate. Using CCTV cameras, emergency services and rescue workers are able to assess and monitor events in real time to relay a “situation”. Cameras at traffic lights and elsewhere in cities monitor people to gather traffic statistics as well as evidentiary footage for speeding.

Types of CCTV

Analog- Use Bayonet Neill-Concelman (BNC) connectors on coaxial cables to transmit continuous video signals. They are relatively low resolution but cheap and effective. There are more peripherals in an analog system, e.g. standard coaxial cables don’t usually transmit audio. Analog signals can be digitized, making it more cost-effective to go digital even with older equipment. The images require a video capture card and can be stored on a PC or tape recorder. A step up, analog HD enables increased resolution over traditional systems (1080 pixels) and are backwards compatible with analog cameras and BNC.

Network or IP - Used with analog or digital cameras, these systems utilize a video server to stream footage over the internet. The advantages are the possibility of Wi-Fi and audio, Distributed Artificial Intelligence (DAI) for analysing image footage, remote access, Power over Ethernet (POE), and better resolution. Furthermore, IP cameras have the ability to contain more cameras in one, which can cover a wide angle that may normally take multiple cameras or camera systems to cover.

All two options are still equally in use, with a high tendency to IP camera systems and digital video cameras.

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