Just to finish this out. Looking at https://en.wikipedia.org/wiki/List_of_WLAN_channels there are a number of internal 5Ghz channels. Obviously the CPE710 isn't going to allow you to use those -...

@John333 I am in a similar position to you. I live in a granny flat some distance from the main house, but share their starlink internet. I have a CPE710 and most the time it works great. But then...