Feature: 1.Service Supported:MTS/ HSDPA/GSM 2. Band2G: EDGE/ GSM 850/900/1800/1900MHz. 3G: HSDPA/ UMTS (2100MHz) 3.OS Supported:Windows2000/XP/Vista/Windows7/Windows8/Windows10 4.Install Disc:Built-in Driver, automatic installation 5.HSUPA network always-on, users maintain contact with the network at any time 6.Support hot-swappable,plug-and-play 7.Supports Data/SMS functions 8.Flow display and statistics 9.Support SMS and Phonebook 10.Working temperature: -20C ~ +55C 11.Storage temperature: -30C ~ +65C; 12.Humidity: 93% 13.Usage:It can be widely used for notebook/ laptop/ UMPC/ MID device.Your best tool when you need web browsing/Internet during out Speciaficiation: 1.Color:Black, Orange 2.USB:USB 2.0 (High Speed) 3.Size:90x27x10mm/3.54x1.06x0.39inch 4.Transfer rate:Downlink: 7.2Mbps Note: Size for manual measurement, there may be a 0 to 2 for cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Pcakage included: 1X HSDPA USB STICK SIM Modem