When i unount the cd/dvd onboard flash on the wwan, i see this:
kernel.log
Feb 18 08:43:59 x kernel[0]: AppleWWANSupport2: Version number - 2.0, Input buffers 16, Output buffers 4
system.log
Feb 18 08:44:00 x wwand[512]: AddNotificationObserver >>>>
Feb 18 08:44:00 x wwand[512]: startListening Entry >>>>
Feb 18 08:44:00 x wwand[512]: SafeBindUnixDomainSocket: (/var/tmp/com.apple.wwan/Socket)
Feb 18 08:44:00 x wwand[512]: startListening Schedule the listening >>>>
Feb 18 08:44:00 x wwand[512]: AddNotificationObserver didBind: (1)
And then i get a new icon in the system bar that i can use to connect with.. i have not installed any thing else.. so its 100% native supported...