Just for reference, the operating system and applications see EV-DO, wi-fi, ethernet, dial-up modems and 3G/GPRS phone through a USB port as just another pipe. Any TPM based subscription or security model would be, for all inents and purposes, agnostic to the technology.
Now I must crash.
almost 2 am and a long day tomorrow...
"Absence of evidence is not evidence of absence. - Carl Sagan