>>340805806
https://www.gamingonlinux.com/2021/06/looks-like-a-possible-valve-index-2-will-make-their-vr-kit-go-wireless
And here is about the patent posted earlier. Not just sending the image data, but having the hmd do it's own calculation to save bandwidth while keeping a high refresh rate. Kinda like what VD is doing on Quest 2.