What is the best channel for WiFi 6?

If you want maximum throughput and minimal interference, channels 1, 6, and 11 are your best choices. But depending on other wireless networks in your vicinity, one of those channels might be a better option than the others.

2.4 GHz (802.11b/g/n/ax) ChannelF0 (MHz)Frequency range (MHz)624372426–2448724422431–2453824472436–2458924522441–2463List of WLAN channels – Wikipedia en.wikipedia.org › wiki › List_of_WLAN_channels

“6GHz will become an integral part of Wi-Fi 6 and future generations of Wi-Fi,” he said.)23 Nis 2020

Wi-Fi 5 and Wi-Fi 6 (802.11ax) standards added support for an 80-MHz and 160-MHz channel width to allow for higher data speed. But in practice, the wider channels are rarely deployed. Only six 80-MHz and two 160-MHz channels are currently available in the 5-GHz band .20 Haz 2019

But all Wi-Fi 6 routers will include a 2.4 GHz band that works with all existing clients on the market.