The DUB C2 USB adapter is designed to upgrade notebook PC and Mac to USB 2.0. Many notebook computers are currently not yet equipped with USB 2.0 ports, while the number of USB 2.0 supported devices available in the market is increasing. This adapter easily adds USB 2.0 ports to your computer so you can access these peripherals and digital devices through the fast USB interface. The card simply plugs to a PCMCIA slot on your computer to give you two USB 2.0 ports. Each of these ports gives you transmission of up to 480Mbps. That39s about 40 times faster than USB 1.1, the earlier USB specification.480Mbps Transmission Many USB 2.0 products are now beginning to be out in the market, so you39ll need this card to get fast connection. The two ports provided let you plug to USB supported devices and USB hubs. The adapter supports low speed 1.5Mbps devices, full speed 12Mbps devices and high speed 480Mbps. Each port creates a bridge between the attached USB peripheral or USB hub and the host computer. Backward Compatible Each of the two ports transfers data at up to 480 Mbps. Both ports are backwards compatible with USB 1.1, so you can use all of your older USB devices as well as the new USB 2.0 products. Plug and Play Installation amp Hot Swap Capability As a standard USB host controller, the adapter directly interfaces between the USB bus and the operating system. It is automatically configured by the O.S. It is also hotswappable, so you can plug in or remove the card anytime without having to turn off the power of your computer. Product Features32 bit CardBus PC card for notebook PC amp Macintosh Provides 2 USB 2.0 ports USB specification 2.0 compliant Backward compatible with USB 1.1 40 times faster than USB 1.1 Supports high speed 480Mbps transfer rate Supports Windows based PC Supports Windows 98SE, ME, 2000, XP, MacOS Plug and Play installation, hot swappable39