Dearlove, Christopher (UK) wrote: > Yes, all smart phones support Wi-Fi. In some "unregulated" (not > actually entirely so) frequency bands, and with regulated powers, > over a short range.
CSMA/CA can also work over a long range too and can, in a sense,
fairly arbitrate packets from different countries at border towns.
> But the main long range 2G/3G signals are
> TDMA or CDMA in regulated bands.
Forget them.
Masataka Ohta
