devices at home like cctv, smart home, printer etc = use LAN Cable
not suitable wifi its no good

my PC and CCTV and roku ultra all using LAN Cable
mobile phone using wifi 2.4ghz strong signal speed below 70-80mbps enough mobile phone not imported high speed so i don't care

my PC Desktop connected LAN Cable full speed

i using unifi my own ASUS RT-AC68U Router power full then free router tp link poor