6GHz Wi-Fi can go a long way toward solving that problem. It offers not just a new swath of airwaves for routers to use, but a spacious swath that doesn’t require overlapping signals like on some current Wi-Fi channels. The new spectrum has enough room for up to seven maximum-capacity Wi-Fi streams to all be broadcast simultaneously and not interfere with each other — all without using any of the previously available spectrum.
To get a little more specific, the FCC is opening up 1,200MHz of spectrum in the 6GHz band. For the past two decades, Wi-Fi has been operating with roughly 400MHz of spectrum, and all available channels had to be split up within that limited space. Channels on the 6GHz band are expected to be 160MHz each in size. Only two channels at that size could fit inside the currently available airspace.
This is going to be a good thing in the long term.Wi-Fi 6GHz: explanation of what it brings to the table