1.Wireless USB HSDPA 3G data cards, 2.Support 8GB Micro-SD Card, 3.PhoneBook, SMS, Single- ... stick)7 UMTS/GSM internal antenna8 System Support Windows2000/xp.Vista.Mac os.Windows7.Andriod9 Supported SMS .PhoneBook,APN auto Management ... charges,Support multiple operating system. For example Windows 2000/XP,Vista,Win7 WinCE Linux(2.6.18 later) Android, MAC(10 ...