The usb300wn2x2c usb wireless network adapter lets you add 300 mbps wireless n connectivity to your desktop or laptop system through usb 20 with a compact lightweight design the adapter is extremely portable and is unobtrusive when connected to your system you can even leave it connected to your laptop when in a carrying bag without worrying about damaging the adapter or the host port while on the move the usb wireless adapter is capable of data transfer rates up to 300mbps over a 24g