I use my GL-750S-ext set as router connected to the telco router. The GL-750S-ext is connected to the telco via 2.4Ghz. I want to connect to the telco router via 5Ghz.
The telco router uses the same SSID for both the 2.4Ghz and the 5Ghz.
How do I tell the GL-750S-ext to use the 5Ghz radio?