pi@hydra ~ $ lsusb 
Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 006: ID 05ac:0201 Apple, Inc. USB Keyboard [Alps or Logitech, M2452]
Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. 
Bus 001 Device 007: ID 19d2:2000 ZTE WCDMA Technologies MSM MF627/MF628/MF628+/MF636+ HSDPA/HSUPA
Bus 001 Device 004: ID 1a40:0101 Terminus Technology Inc. 4-Port HUB
Bus 001 Device 005: ID 0409:55ab NEC Corp. Hub [iMac/iTouch kbd]
pi@hydra ~ $ 

pi@hydra ~ $ sudo apt-get install usb-modeswitch usb-modeswitch-data wvdial