User:DarkShadow/Optimal Wireless Settings

dd-wrt
2.4 band, use NG-Mixed. Select channels, do not use auto. 20MHz width

5GHz band use AC/N-Mixed. Select channels, do not use auto. 40 or 80 width, dependent on clients....

https://wiki.dd-wrt.com/wiki/index.php/Basic_Wireless_Settings

https://wiki.dd-wrt.com/wiki/index.php/Advanced_wireless_settings