Wi is Fi: Understanding Wi-Fi 4/5/6/6E/7/8 (802.11 n/AC/ax/be/bn)

An impressive attempt to summarise Wi-Fi which is a very deep topic. However I think the executive summary already missed the most critical thing about Wi-Fi: only 1 transmitter at a time per channel - across all WLANs, yours and your neighbours, with no deterministic way to avoid collisions. It's a shared medium and it's not even half duplex, unlike the dedicated full duplex you would typically get with an ethernet cable to a switch port. The fact that Wi-Fi…

Thanks to this website, I gave up chasing an elusive target of squeezing 1gbps over wifi on any of my devices - it explains really well what is going on and why I was banging my head against the wall trying to make it work. A useful trick to explain you current wifi speed on Mac is to alt-click on the wifi icon - it immediately gives tons of useful connection properties that you can make sense of after reading…