6ghz band issues

Hi all, Got my hands on the S24 Ultra and found out that it can't detect nor connect to the 6Ghz band on my Asus RT-BE96U. It can detect my 5Ghz and 2.4Ghz bands as Wifi 7-capable (They've both got the little Wifi 7 icon showing in Available Networks) but once I connect to either band, the...