Apple TV 4K & WiFi 6

Apple TV 4K - Technical Specifications - Apple

yeah

802.11ax Wi‑Fi 6 with MIMO; simultaneous dual band (2.4GHz and 5GHz)

Yes, and if you have a WiFi router that supports WiFi 6 the connections speeds are stupendous. Have the Apple TV 4K 2021 and the Linksys MX5300v1 Mesh routers and I get every inch of bandwidth my Spectrum internet account puts out.