2,4 GHz von 5 GHz Funknetz bei eurer Fritzbox trennen | FRITZ!OS 7.10 | Dezember 2019 - YouTube
FRITZ!Box on Twitter: "@jiribrejcha You do have the option to disable 2.4 GHz. Go to Wireless > Radionetwork and uncheck the box 2.4 GHz. You can also adjust radio channel settings at