1.3G spectrum: HSUPA / HSDPA / UMTS 2100/1900/900 MHz;
2.2G Band: GSM / GPRS / EDGE 850/900/1800/1900 MHz;
3.speed: HSUPA 5.76Mbps; HSDPA 7.2Mbps;
4.Dimensions: 98mm × 62mm × 14mm;
5.Weight: 90g (with battery);
6.Receive diversity: HSUPA / HSDPA / UMTS 2100/900 MHz;
7.LED: OLED;
8.Battery: 1400 mAH, work long hours, up to 100 hours standby time;
9.Micro SD Card Interface: support (maximum to 32GB);
10.Built-in Memory: 256MB Flash, 128M RAM;
11.WiFi: 802.11.b / g;
12.Encryption: WEP, WPA, WPA2;
13.Operating system: Windows XP, Vista, Windows 7; operating system, Windows XP, Vista, Windows 7;
Now it's unlocked so you can use pretty much any 3G sim with it just please mind that for some networks like Orange for example you will have to enter the APN settings manually in order to connect.
Please note that this device is OS independent and doesn't require any installation or plugging into USB (unless you want to charge it).