I assume you mean GSM. No, it's not.
The 7100i is iDEN.
GSM is a wireless technology used by about 80% of the world.
In the US, AT&T and T-Mobile are the largest GSM-based carriers.
Verizon and Sprint have CDMA networks.
Nextel uses iDEN.
Last edited by penguin3107 : 08-20-2008 at 07:29 AM.