Cable length limitation from PoE switch and Camera

Our ethernet based network design requires PoE switch connected to five IP CCTV camera through ethh. It is not clear maximum length of cable allowed between switch and camera. Can anyone explain?

I think there are 2 answer to this question.
The first is
150 meter.
The second answer is,
There is no limit. You just need to make sure that the camera still receives enough voltage to work, iow you measure the remaining voltage, and if you go above the 150 meters of cable the link must operate in full duplex, 10 100 or GIgabit is up to you as long as the duplex is full.
Cheers,
Michel

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