The data Numerical bandwidth required for 4K security cameras depends on several factors, such as the frame rate, compression method, and image quality. Generally, a 4K security camera can transmit up to 8 megapixels of data per frame, four times the resolution of 1080p cameras.
Assuming a typical 4K camera records at 30 frames per second, uncompressed video data would require a bandwidth of 12 gigabits per second (Gbps). However, this is only practical for some systems, and therefore, compression is used to reduce the amount of data that needs to be transmitted.
The most common compression method for 4K security cameras is H.265 (HEVC or High-Efficiency Video Coding), which can reduce the data bandwidth by up to 50% compared to H.264 (the previous standard). With H.265 compression, a 4K camera recording at 30 frames per second would require a bandwidth of around 100 Mbps (megabits per second).
However, the required data bandwidth can also depend on other factors, such as the number of cameras connected to the same network, the recording length, and the network conditions. Therefore, it’s important to consult the manufacturer’s specifications and perform a bandwidth calculation to ensure the network can handle the data load of 4K security cameras.
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