Fritzbox von 2,4- auf 5-GHz-Frequenzband umstellen
AVM FRITZBox 7530 International (20002845), 249,90 €
AVM FRITZ! Box 7590 WLAN AC + N router (DSL/VDSL, 1.733 Mbit/s (5GHz) & 800 Mbit/s (2.4 GHz), up to 300 Mbit/s with VDSL supervectoring 35b, WiFi Mesh, DECT base, Media Server):
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