Video Resolution Standard for CCTV and IP Cameras

Quite often, you can hear of the words such as 1080P, 720P, VGA, PAL, for a CCTV cameara. You may wonder what exactly do these words mean. The below is a picture explanation of video resolution standard, which is applicable to CCTV cameras, including traditional analog camera, or high resolution IP based security camera.

CCTV and IP camera video resolution explanation