I wonder is anyone here knows anything about UAprof (User Agent Profiles)? I was reading the info in this file when some of us found GoogleMaps ID's Opera incorrectly when you try to download the update.
Maybe shed some light on this in the thread I started:
http://forum.ppcgeeks.com/showthread.php?t=70389
It doesn't contain a chipset string for WiMax... but... it has other info.