Fenvi T919 connecting to 2,4 Ghz Wifi instead of 5 Ghz in macOS 10.15.3, any tips why?

Hey Guys, just like in the title, I don't know why my Fenvi T919 connects to the 2,4 Ghz. I have Windows on my hack also an it connects to 5Ghz with no issues. Help would be really appreciatet!