Specifications: 1. Maio chip :Qualcomm(USA) MSM 6280, Use USIM Card. 2.Support Band:HSDPA/UMTS/EDGE/GPRS/GSM 3.Network Speed:HSDPA:Downlike: 3.6Mbps , Uplike:384kbps 4.Operate System :Windows 2000 ,Windows XP , Vista 5.Support USB (1.0&highspeed 2.0) 6.Self Memory :NAND Flash +SDRAM : 64MB+32MB 7.Drive: No need drive 8.Support short message 9.Support T-Card , same as flash disk 10.Support PIN Code 11. Four Modern:WCDMA/GSM/WCDMA/GSM 12.Support SIM&USM , WCDMA&GSM 13.GSM:EDGE/GPRS:CLASS 12 14.Appearance Size:26.8X91.40X12.50mm 15.Temperature:-20 to +60o C 16.Weight:26g