USB Modems allow user fast and easy access to internet anywhere on any computer. They are portable without onboard pc dongle add on that can be installed via connecting to USB port of computer instead of installing on a PCI slot on PC with a fixed slot. Additional features can be provided via proprietary software. Speeds up to 56 KBPS are supported. For free shipping and cheap prices, you can buy them from Harddiskdirect.com
