http://www.microsoftstore.com/st ... F_ModF_All_Lumia640


这个机子值得买吗？ 当打电话用的

Networks2
GSM network: 850MHz, 900MHz, 1800MHz, 1900MHz
GSM max data speed DL: EGPRS 296.0kbps
GSM max data speed UL: EGPRS 236.8kbps
WCDMA network: Band 1 (2100MHz), Band 2 (1900 MHz), Band 4 (1700/2100 MHz), Band 5 (850MHz)
WCDMA max data speed DL: 42.2Mbps (Cat 24)
WCDMA max data speed UL: 5.76Mbps (Cat 6)
LTE FDD network10: Band 17 (700MHz), Band 2 (1900MHz), Band 4 (1700/2100 MHz), Band 5 (850MHz), Band 7 (2600MHz), Band 28 (700MHz), Band 12 (700MHz)
LTE max data speed DL: 150Mbps (Cat 4)
LTE max data speed UL: 50Mbps (Cat 4)

支持移动4G的吗？？