... HSDPA:7.2Mbps,UMTS:384Kbps.4.Frequency: GSM/GPRS/EDGE(850/900/1800/1900/2100MHZ).5.INTERNAL ANTENNA ... WIN XP / WIN VISTA/ WIN7-64BIT English system.10.SMS:YES single sending, reply, Create new, delete, edit, ... Save to draft box, Sms shift between SIM card and PC.11.Voice dial number ... 1 X wireless network card New White Wireless 3G GPRS USB Modem HSDPA 7.2mbps Network Tablet PC