BT Smart Hub 2 router 'disrupting' home networks
Found on BBC News on Thursday, 20 May 2021
Users are complaining that any devices not linked to the same frequency, such as a phone and a speaker, are refusing to communicate with each other.
"Turning off 5GHz is a short-term workaround until the kids start streaming lots of video content, at which point the whole house slows down."
Those who know wireless use cable.