When you have a good picture at the camera but after the wireless transmitter and receiver the picture is not as sharp and clear as it was at the camera.
Digital Video Recorders (DVR) and Video Tape Recorders (VTR) play an important role in the CCTV system. They can severely limit the picture resolution of the system. Many DVR manufactures do not specify the lines of resolution or bandwidth for the play back of the
All video cables in CCTV systems cause some loss of brightness and picture detail. The longer a cable is, the greater the loss. Even a few hundred feet of cable will measurably degrade a picture, while a thousand feet or so will seriously reduce picture
Getting more performance on a CCTV system usually involves at least two different parameters and usually two are at odds to each other, the more of one, the less of the other. The two parameters in this case are PICTURE QUALITY and DISTANCE between the
