The DWP-157 3G HSPA+ USB Adapter allows you to enjoy a fast mobile broadband connection on your notebook or computer, whether you are at home, in the office, or traveling. The device allows you to connect to any 3G mobile broadband networks worldwide. With a fast and convenient mobile connection at your fingertips, you don’t have to worry about losing your Internet connection when you leave home. Connectivity Built-in ADSL2+ Modem HSUPA/HSDPA/UMTS and GSM/GPRS/EDGE networks Maximum download speeds of up to 21.6 Mbps and upload speeds of up to 5.76 Mbps SIM/USIM card slot Micro SD card reader for additional storage function Support MicroSD card reader for external storage SMS Manager PC, Phonebook applications Automatic software/driver installation