Wireless video surveillance has become an important and integral part of our security system. To prevent unwanted and sudden terrorist attacks, malls, railway stations, airports and other public and government places are always under surveillance. Besides the above, video surveillance is also common in industries.
Wireless video works with the help of radars, signals and radio waves. The most common is the use of radio waves of different frequencies. These systems consist of small, hidden cameras that relay signals over short distances in the form of live images. So these have become quick, cost effective security systems that will help us to boost our existing security system. In modern days there has been a shift from the traditional analog based CCTV towards a more digitalized surveillance.
The wireless video transmitters generally accept RCA cables as inputs. So provided that the particular audio source has RCA outputs, it will be able to connect to the transmitter. Let us say you have a PC with a sound card having RCA outputs and you connect it to a transmitter. If you then connect a set of speakers to the receiver located somewhere else, you can listen to the MP3 songs stored on the PC without having to sit next to it.
Sourec:
http://ezinearticles.com/?Wireless-Video-Transmitter---Watch-TV-Anywhere-in-the-House&id=1620432
http://www.articlesbase.com/technology-articles/importance-of-wireless-video-surveillance-3664164.html
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