How do I enable 2.4 GHz on my spectrum router?

To connect your Android device to a 2.4 GHz network:

A 2.4 GHz connection travels farther at lower speeds, while 5 GHz frequencies provide faster speeds at shorter range . Your choice of 2.4 GHz or 5 GHz will depend on where and how you use your WiFi connection most.

From your smartphone’s Wireless settings page, look at the names of your Wi-Fi networks.

The 2.4GHz band is broken up into 11 channels (1-11), each 20MHz wide.

The frequency band is changed directly on the router:

The 2.4 GHz band, which runs from about 2,400 to 2,483.5 Mhz , is where routers have to live. For this, they can thank the microwave. Microwave ovens heat food by blasting it with, literally, microwaves.7 Eyl 2010