With the locking 2 in 1 adapter, you can plug Sprint Novatel Merlin C777 Wireless Combo Card into either the PC Card or ExpressCard slot to make frequent use and travel easy. Merlin C777 frees up USB ports for your other devices. Extends only about an inch past side of notebook. Surf the Web with ease by tapping into the lightning quick 3G data speed of the Sprint Mobile Broadband network.