Network card and WiFi settings guide

I found this webpage that list options that might be on your network cards, I see some that could really effect reliably and performance here in Comcast, one setting applies on how the card utilizes the the two bands being combined like here in Comcast

https://www.speedguide.net/articles/network-adapter-optimization-3449

Also you can look up your specific network card on some sites and it will tell you the optimum settings for gaming as a example