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How Does CCTV Work?

CCTV1CCTV, or closed-circuit television, is a monitoring system that uses security cameras to transmit video to a restricted set of monitors. It is usually a direct-to-monitor system, meaning that the CCTV signals are not openly transmitted but are transmitted directly to the viewer. When CCTV is used for surveillance the signals will often pass through a storage device that records the video for future viewing. This is common at places like banks, ATMs, airports, gas stations, among others. CCTV can also be used to monitor employees by managers. With the recent advances in cell phone technology, it is even possible to pull up a live feed of the video on a smart-phone.

CCTV in Miami FL has been growing rapidly. The police department has began putting the cameras on traffic lights and street corners so that they can monitor traffic and identify crimes. They even use a system that will take a photo and issue a ticket to drivers if they are spotted running red lights or speeding. South Beach is especially a CCTV surveillance zone. Nearly every hotel and night club has cameras spread throughout the property. In 2006, they installed them in the alleyways behind the Ocean Drive buildings and it helped catch graffiti vandals that had been damaging the property.

While CCTV has always been popular for commercial purposes, it is increasing in use for private and residential properties. Most home owners have added at least one camera on their property. It is commonly placed on the street-facing side of their building to keep track of who is passing by their home and to identify possible suspects if there has been crime problems in the neighborhood. It is a great way to help secure a home, especially when it is coupled with an alarm system.

After a neighbor’s car had been broken into I decided to add a CCTV system in our shared parking lot. Weeks later the same thing happened, but this time I knew my camera had captured it. I went into the storage device and pulled the video clip, submitting it to all of the local police departments. They were able to snag a snapshot of the burglar’s face from the video, and, using facial recognition software, match it to a previous criminal’s mugshot. The police went to the suspect’s home with the evidence and asked to search his home. Sure enough, they found some of the items reported stolen inside his house. He was arrested and charged, and we haven’t had any problems like this since. If I hadn’t installed that one CCTV camera who knows how many other victims there could have been!


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