... hour,SMS,MMS,FAX,VOICE,AT COMMAND,TCP/IP.Works Windows 2008 R2,Vista,Win7,XP,Linux,Mac IMEI number could be ... changed at any time !!!Compatiable with Windows 7, Vista, XP, Linux, Mac...OS!!!Support 64 sim cards ... 64kbps(CS) Video call Other features* USB Driver for Microsoft Windows 2000/XP/Vista* USB Driver for Linux 2.6.16 ...