Quote:
Originally Posted by screaminbug
HSDPA is just an extension to UMTS. It works "under" UMTS, hence it uses the same frequency band as UMTS.
However, UMTS itself is made to operate on different freq. bands. As you stated, for Europe that's band I (W-CDMA 2100). On the other hand, both North and South America use band II and band IV is used by some operators in USA (T-Mobile, I think).
So it's all same ole' UMTS.  If you have phone that supports quad-band UMTS (like Samsung i7500  ) you can use it in both Europe and America. |
maybe but as far as operators are concerned they seperate it.
normal galaxy does not work on canadian frequencies for 3g data even though its quad band this is why they got the i7500L
Im not going to take this off topic talking about the pedantics of how the phone industry refers to technologies.
there are two versions of alot of devices for this reason (moto droid for example)
there are lots of people that cannot use a standard galaxy in US and Canada for 3g data