Not with older WiFi cards and older mobile devices. 5.8 GHz is running on everything except cheap smart home devices. I'm plugged into a Google WiFi mesh AP vi

Not with older WiFi cards and older mobile devices. 5.8 GHz is running on everything except cheap smart home devices. I'm plugged into a Google WiFi mesh AP via an 8 port GbE switch on my desktop, and only getting 106 Mbps down / 123 up. I tried plugging-in directly, and it's the same difference. 229 Mbps down / 243 up on an iPad Pro 10.5 from the couch, 268 / 356 near the wall where the main base AP is at, and 335 / 355 right next to the base AP. On the mesh AP, I'm getting 63 / 71. I think it's the physics limitations of 5.8 GHz because base-to-mesh is going 12 m / 40 ft through 2 walls.