Hello Community, I've been planning to expand my business of Point to Multipoint, this is the diagram of my 20 possible clients , they are in different to location so im planning to get 4 pieces to CP

What is the Max length of Wired AP? Currently I have 50m wired AP connected to my home, anyone here know the max length of cable for wired AP? Thank you :)

Currently I have OC200(1.7.0 firmware, Controller Version:4.1.5) and EAP225 Outdoor root AP. I'm planning to buy 2 additional EAP225 Outdoor, 1 is for our transient house I want it to be a root AP and