How to choose the right network service for your mobile phone?
- There are two main companies that offer GSM service in the USA
- AT&T and Cingular are now merged into one company, and the second company is T-Mobile
- If you have service with them or any other GSM service providers, this is the right auction for you
- If your service is with, eg, Sprint, Nextel, Verizon, Alltel or just about any other US wireless company, then you have CDMA service
Network Operator
- GSM/GPRS: AT&T, Vodafone, T-Mobile, Zain, Orascom, Orange FT, Telefonica, Telenor, Telstra, Telecom Italia, Softbank, Mobile, Smart, Singtel, SKT, Mobilkom, KTF, Hutchison, China Mobile
- CDMA: Verizon Wireless, KDDI (EZweb, WIN, au), China Unicom
The frequencies supported by main countries:
- Asia
- China, Hong Kong, Macao, Taiwan: GSM 900, 1800, WCDMA 2100
- Singapore, Malaysia: GSM 900, 1800, WCDMA 2100
- Thailand: GSM 900, 1800, 1900, WCDMA 2100
- Japan: WCDMA 1700, 2100
- Korea: WCDMA 2100
- Oceania
- Australia, New Zealand: GSM 900, 1800, WCDMA 850, 2100
- Europe
- UK, France, Germany, Italy: GSM 900, 1800, WCDMA 2100
- Russia: GSM 900, 1800, WCDMA 2100
- America
- U.S.: GSM 850, 1900, WCDMA 850, 1700, 1900, 2100
- Mexico: GSM 1900, WCDMA 850
- Canada: GSM 850, 1900, WCDMA 850, 1900, 2100
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