In North America, GSM operates on the primary mobile communication bands---850 MHz and 1900 MHz. GSM-1900 is the primary band used in urban areas with 850 as a backup, and GSM-850 being the primary rural band.
No, range of the phone is GSM 900/ 1800. GSM range in the US is 850/ 1900.
2G Network: GSM 850 / 900 / 1800 / 1900 3G Network: HSDPA 900 / 2100 HSDPA 850 / 1900
Basically, the difference lie on the frequency being used or supported. For GSM dual band phones, the frequencies that is can support are 900/1800 MHz or 850/1900 MHz; for tri-band phones, the frequencies are 850/1900/2100 or 850/1700/2100 or 900/1900/2100 MHz or 900/AWS/2100; and for quad-band phones, the frequencies are 850 / 900 / 1800 / 1900
Only if it unlocked and support Quad band GSM 850/900/1800/1900.
Samsung C300 supports carriers with 900/1800 frequency, while the carriers in the US works on 850/1900 frequency. Since it's not compatible, the Samsung C300 would not work in the US.
The Nokia 6260 phone while it was produced worked on the GSM 900 / 1800 / 1900 2G Networks outside the United States and the GSM 850 / 1800 / 1900 2G Networks inside the U.S.
The Nokia N95 is a 3G dumbphone. It supports 2G networks on the 850, 900, 1800 and 1900 MHz bands, and 3G HDSPA on the 2100 MHz band for the international version, and on the 850 and 1900 MHz bands in the American version.
as long as it is tri band on the box it will usually state the frequencys 900/1800/1900 you want 1900 for the U.S
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In theory, it should. See the table in the related link to Wikipedia. Verizon doesn't use 700 or 1700 MHz - but does use the others you've listed.
Yes... HSDPA 850/ 1900/2100 HSDPA 900 / 1700 / 2100
According to gsmarena.com, the Storm is compatible with the following, making it technically (theoretically) compatible with AT&T: 2G Network: GSM 850 / 900 / 1800 / 1900 3G Network: HSDPA 2100 | CDMA2000 1x EV-DO (Verizon)