Quickly and easily adapts ExpressCard/34 (USB-based) devices to work through your notebooks CardBus PC Card slot allowing older systems to use the latest ExpressCard adapter cards. Work with USB-based ExpressCard devices including broadband wireless modems (such as CDMA, EV-DO, GPRS, etc.), flash memory, flash card adapters, security, legacy I/O (PS2 , serial, parallel), optical disk drives, GPS receivers, and more... Future proof, supports data transfer rates upto 480Mb/s for HSDPA and EV-DO PC Card products. Compliant with USB specification, revision 2.0.Hot-plug support allows you to connect/remove this adapter without turning off your system .