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Manufacturer: Microsoft
Model Name/Number: 2730c-1b (RM-579)
Technologies and Bands:
(3G)
UMTS FDD: Band II   Band V  
(2G)
GSM: 850 MHz   900 MHz   1800 MHz   1900 MHz  
Certification DateHardware VersionSoftware Version
2010-08-270112, 0202, 0302, 9003, 2500, 4500, 6000, 9019, 9021, 902310.46
2010-08-110112, 0202, 0302, 9003, 2500, 4500, 6000, 9019, 902110.46
2010-07-260112, 0202, 0302, 9003, 2500, 4500, 600010.45
2010-06-150112, 0202, 0302, 9003, 2500, 450010.40
2009-12-180112, 0202, 0302, 2500, 4500, 900309.41
2009-10-020112, 0202, 030207.70
2009-09-090112, 030207.60

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