There are two popular wavelengths of IR light for security cameras. One is 850nm and the other is 940nm. Which one is best for your camera depends on which CCD sensor is used in the camera. Some sensors are more sensitive to 850nm and others with 940nm. Which wavelength works best for Meraki cameras when using an external light source? I have MV21s right now. Are all Meraki cameras best with the same wavelength?
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