Blocking unidentified devices on my wifi (using router T3200M)

[wireless]

i have a person i like to get off my internet-- try to block but can not find how no blocking in advance seting-- on home buttom tell me blocking disable, now just how do i get it straigh out


More... (https://forum.telus.com/t5/Internet-Home-Phone/Blocking-unidentified-devices-on-my-wifi-using-router-T3200M/m-p/127601#M31704)