I need to disable just the 5 GHz Wi-Fi but keep the 2.4GHz Wi-Fi on because some Smart devices use only 2.4 GHz Wi-Fi for initialization. After that, I can keep both 2.4 and 5 GHz enabled together. I don't want to use different SSID for 2.4GHz and 5GHz Wi-Fi network.  My previous router can do it but I dont' know how to do it on the Sagemcom 5866T.  Any help?   ... View more

Where can I download a technical manual of the Sagemcom Fast 5866T 5G Broadband modem? ... View more