... Description:1. Color: White2. Interface: USB 2.03. Data transfer speed: HSDPA (7.2 Mbit/s download,5.76 ... /s,80 kbit /s output)4.Frequency range MHz: HSDPA / UMTS 2100, GSM / GPRS / EDGE 900/1800 ... 2000 (SP4), Windows XP (SP2), Windows Vista, Windows 7, Mac OS X 10.4.6, Linux3.Minimum System ... on the list. Package: 1x e173 modem New White Unlocked Huawei E173 HSDPA 7.2Mbps GSM 3G USB Wireless Modem