2017 MB wifi stops responding

[FilmIndustryGuy]

as of recent, a couple weeks, my MB 2017 wifi will work for 20 min and then cut out. bars are full but i have to disconnect and connect again for it to work. i just updated to new version of Mojave last night but it still happens. any advice?

 

[MrAperture]

Have you reset both your router and modem?

 

[catean]

as of recent, a couple weeks, my MB 2017 wifi will work for 20 min and then cut out. bars are full but i have to disconnect and connect again for it to work. i just updated to new version of Mojave last night but it still happens. any advice?

I had the same issues. It was related to the 5Ghz band beeing missconfigured (Channel 100 instead of Channel 48). At least this fixed the issue in my case.