In my former essays, I have made some brief introduction of the CCTV Security Cameras and CCTV Security Tester. Well, what does CCTV mean? Today let’s first learn what is CCTV, and also a little about the CCTV Security Camera Tester.
What is CCTV, it is the abbreviated of Closed-circuit television. It is the use of video cameras to transmit a signal to a specific place, on a limited set of monitors. It differs from broadcast television in that the signal is not openly transmitted, though it may employ point to point (P2P), point to multipoint, or mesh wireless links. And the item is usually be applied to those used for surveillance in areas that may need monitoring such as banks, casinos, airports, military installations, and convenience stores. And the Videotelephony is seldom called “CCTV”, but it can be called in the situation where the video plays as an important tool and being used in distance education. In industrial plants, CCTV equipment may be used to observe parts of a process from a central control room, for example when the environment is not suitable for humans. CCTV systems may operate continuously or only as required to monitor a particular event. A more advanced form of CCTV, utilizing Digital Video Recorders (DVRs), provides recording for possibly many years, with a variety of quality and performance options and extra features (such as motion-detection and email alerts). More recently, decentralized IP-based CCTV cameras, some equipped with megapixel sensors, support recording directly to network-attached storage devices, or internal flash for completely stand-alone operation. And the using CCTV for surveillance of the publics is particularly a common scene in many areas around the world, which including the United Kingdom, where there are reportedly more cameras per person than in any other country in the world. There and elsewhere, its increasing use has triggered a debate about security versus privacy.
There are lots kind of quality tools that used in CCTV installation which including BNC connectors and RG-59 cable cutters & crimping tools. And these tools are professional grade surveillance installer tools that can make CCTV installation jobs easier for professional cables as well as do-it yourself homeowners, business owners, and government workers. And during and after the installation, please be noted, theCCTV security camera tester which is developed aiming to CCTV security system installation and maintenance playsreally a significant role.