Some older 5GHz-capable devices aren’t compatible with the 160 MHz channel mode that uses the 5.9 GHz band. These devices might experience lower performance or slower speeds, or be completely unable to connect to 5 GHz. If you have trouble with the connection of a device, check if you have the 160 MHz channel setting enabled. To disable the 160 MHz feature:
Keep us posted.
I just wanted to follow up and reiterate what Mel said about our internal teams wanting to investigate deeper to help out here. If you can fill out the form Mel shared, it will help get you more help quickly and allow us to dive deeper into the discovery process here. If you haven't filled out that form, please do so.
Thanks for your patience.
Access to a high-powered 160 MHz channel using the 5.9 GHz range, permitted in the US only, is a key feature on newer routers compatible with 6 GHz, such as Google Nest Wifi Pro.
Check this link for more details.