3G vs 4G 頻帶

來源: 於 2015-01-30 20:53:17 [舊帖] [給我悄悄話] 本文已被閱讀：次

3G
AT&T US (WCDMA) UMTS/HSPA 850/1900
T-mobile US (WCDMA) UMTS/HSPA 1700/2100
China Unicom(WCDMA) HSDPA 2100

Verizon US (CDMA2000) 1xRTT/EVDO 850/1900
Sprint US (CDMA2000) 1xRTT/EVDO 800/1900
China Mobile (TD-SCDMA) 1900-2100
China Telecom (CDMA2000) 1xEVDO 800/2100


4G

AT&T US LTE 700/(1700/2100)/2300
T-mobile US LTE (1700/2100)       (Tmoble should be FDD-LTE)
China Unicom FDD-LTE 1900/2100

Sprint US LTE 850/1900, TDD-LTE 2500, WiMAX 2500
China Mobile TD-LTE 1900/2300/2600
China Telecom   
Verizon US LTE 700/(1700/2100)