1. Connect a device, such as a computer or tablet, to the internet through WiFi or using an Ethernet cable connected to your modem.
3. Log in to your modem's online settings interface (Modem GUI) using your Administrator Username and Administrator Password. Unless you have changed the default settings, you can find this information on the modem's sticker. Note that these are different from your wireless SSID and security key.
4. Select "Wireless Setup."
5. If you are utilizing a dual-band router, you can change the WiFi name and password for the 2.4Ghz network and the 5Ghz network individually by selecting either “2.4GHz” or “5GHz.” Some models will offer only one frequency option.
Read more: What's the difference between 2.4 and 5 GHz?