I've used some of those WiFi services at near 200mph, so I guess it'll depend on the 5G, LTE or HSPA frequencies it connects to. They're never great, though, al

I've used some of those WiFi services at near 200mph, so I guess it'll depend on the 5G, LTE or HSPA frequencies it connects to. They're never great, though, although I guess that's also related to tunnels and the quantity of people aboard.