D-Link DWP-157 3G Wirless Data Modem USB Card (White) Product Description Portable and smart internet connectivity  With this D-Link DWP-157 3G Wireless Data Modem USB Card you can enjoy all the benefits of a consistent internet connection. It offers you the upload speeds of 5.76Mbps and the download speeds of up to 14.4Mbps. With this D Link data card, staying online and participating in conferences and meetings has become easy. Easy to carry USB powered data card The D Link data card has an inbuilt internal antenna. It is also pretty much compact, portable and it is also easy to carry around. Since it is completely USB powered, it doesn't require any battery or cable for external power supply. Installing the data card is also easy due to its plug and play functionality. Its inbuilt drivers and software allows you to get quick access to any data and SMS functions. The Wireless Data Modem USB Card includes a microSD card reader slot, which can be used or connecting the removable storage devices.  From the Manufacturer  The DWP-157 Wireless Data Modem USB Card allows you to enjoy a reliable broadband connection on your notebook, whether you are at home, in office or traveling. The device allows you to connect to worldwide mobile broadband network with maximum download speeds of up to 21.6 Mbps and upload speeds of up to 5.76 Mbps.  FeaturesGlobal Mobile BroadbandThe HSPA+ mobile protocol lets you use your broandband connection on th ego, wherever you are Plug and PlayBuilt-in drivers and software provide immediate access to data and SMS functions Convenient DesignCompact USB-powered adapter uses an internal antenna and requires no batteries or cabling