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by biktor_gj 2041 days ago
It depends a lot on cable quality, what you have on either side and the connectors in between.

At work we had to repurpose a pair 170ish meter cat 6 cables for some cameras and it has worked nicely for three years (with PoE even). We tried again with a 100m cable rated for exterior (plus female + patch cords) and it wouldn't even link at 100mbps