... Interface: USB 2.03. Data transfer speed: HSDPA (7.2 Mbit/s download,5.76 Mb/s output), ... 2000 (SP4), Windows XP (SP2), Windows Vista, Windows 7, Mac OS X 10.4.6, Linux3.Minimum System ... 128 MB RAM, screen resolution of 800x600 pixels4.Memory card slot micro SD: Yes (Supports up to 32 ... available on the list. Package: 1x e173 modem New White Unlocked Huawei E173 HSDPA 7.2Mbps GSM 3G USB Wireless Modem