1.GSM Band: 850MHz, 900MHz, 1800MHz, 1900MHz;
2.UMTS Band: 2100MHz or 850MHz/2100MHz or 850MHz/1900MHz;
3.Radio Mode handover:Auto (HSDPA / WCDMA / EDGE / GPRS / GSM);
4.Antenna: Internal Antenna;
5.Operating System Support:Microsoft Windows Vista, XP, 2000;
6.System Requirement:USB slot;
7.Radio Mode Selection:3G/3.5G only (WCDMA / HSDPA)
2G only (GSM / GPRS / EDGE)2G+3G ( 3.5G dual-mode) ;
8.SMS:Yes (both CS and PS) ;
9.USIM:slot Available ;
10.Plug and Play:Auto installation ;
11.HSDPA Data Speed DL:Up to 7.2M bps; UL : Up to 384Kbps ;
12.LED Signal:3 colors LED indication ;
13.USB interface adaptor:Full speed;
14.CD-ROM:No CD, Auto install driver and user manual;
15.Dimensions: 72 mm x 46.18 mm x 14.72 mm ;