One unit will not connect to other 5. set up is as follows: ISP modem > Main deco (1 of 3) > Switch > Deco (2 of 3), Deco (3 of 3), Deco (1 of 1 v2), Deco (1 of 1 v2), Deco X50 outdoor. all units work

Hi, I´ve setup an Deco M9 system with 3pcs of nodes. Now I see in my home when I scan for other wifi devices that all of them is in the same range of wifi channels. ( Alarm system, Camera system and s