You are not alone, there are multiple reports of it.I don't understand why people here are blaming the router when I have repeatedly said that other devices at my home face no issues. If all phones work and Pixel doesn't, then it's a phone issue, not a router issue.
Unless my router has a personal grudge against my phone. But I doubt they have enough feelings to hold a grudge.
Pixel 6 Pro keeps losing 5ghz WIFI connection
My wife's pixel 6 pro keeps losing the ability to connect to 5ghz WIFI. When this happens the phone will not even see the SSID's of those networks. The only fix for this is to reset all network connections. This will happen several times a...
forum.xda-developers.com
I used to have this issue with an older Fire TV and the problem is some cheaper WiFi chipsets are channel limited. By default, most routers have channel hopping enabled to prevent interference. Worst case, you can set it to the first channel for 5 GHz as that is the most common and has the highest range. Also try changing the channel bandwidth to the lowest one available, which might be 20 or 40 Mhz for maximum range and compatibility.