Therefore, the applicable formulae are: Frame Size = Resolution * Colour Depth (Chrominance/Luminance information) If we take a camera capturing an image at D1 (DVD) resolution, viz. 720 x 480, and transmitting at 30 fps (frames per second); the relevant numbers add up as follows: Frame Size = (720*480)*24 = 829440 bits = ~ 830 Kbps (Kbits/sec
Actually, we agree. That's the point of the original article above. 4K is a solution worth considering for large / long / wide areas, presuming the 4K camera is good enough for the lighting conditions of the scene one is covering. 4K is mostly overkill in the average indoor setting. Feel free to share your images.

2MP (1080p) Full HD Security Cameras: These cameras produce images with a resolution of 1,920 x 2,160 pixels per unit. They serve as appropriate general-purpose video surveillance, but they typically fail to figure out small details depending on the quality and distance. It is recommended to choose a 1080p security camera when:

We can start with the field of view and then calculate the resolution of the camera. Use the following formula to calculate the resolution of the IP camera: (Field of View) x (pixels/ft.) = Horizontal Resolution. If we want a field of view of 20 ft. and we need 80 pixels/ft. then the formula indicates:
The fact is that, the CCTV security cameras use data only when you access the cameras for live viewing or they send you instant alerts when motion events are detected. Better yet, here are some effective tips you can try to reduce your IP camera bandwidth consumption. Choose H.264 video compression codec instead of MJPEG. Facebook recommends your image be 1640 pixels by 720 pixels. Using our formula, that means we only need a camera that has 1.2 MP in order to be of sufficient quality (1670 x 720 = 1 202 400 pixels. 1 202 400/1 000 000 = 1.2 MP). This makes a smartphone perfectly capable of producing photos to use online. mGGHG.
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    • is 2mp cctv good enough