The compact design of the N300 Micro Wireless USB (Universal Serial Bus) Adapter makes it easy to connect to your laptop or netbook & go. It's so small you can easily leave it connected to your computer. Compact Design So small you can easily leave it connected to your computer on the go Easy Setup Plug the adapter into your computer’s USB (Universal Serial Bus) port & insert the setup CD, & you’re ready to surf, email & instant message Speed Up to 300 Mbps* Backward-Compatible Backward-compatible with 802.11a/g devices at 54 Mbps as well as 802.11b products at 11 Mbps*