AirTags exist and they work perfectly fine in all these conditions. We would need to turn the clock back a few years for this comment to make sense, in an unive

AirTags exist and they work perfectly fine in all these conditions. We would need to turn the clock back a few years for this comment to make sense, in an universe where AirTags didn't yet exist. Your phone takes it's last position from GPS, refines it with RSSI of nearby WiFi networks and then you add in the broadband stuff they have to localize the tag further.