Spe:This USB adapter is a good choice for you: tiny size, fast transmission, stronger signal gain, IEEE802.11n standard supported,150M, High power....Features:* Support IEEE802.11n standard.* Faster transmission.* Stronger signal gain.* Maximum close to the wired network.* Lower delay on game and movie.* Features a sleek compact design that fits into your computer`s USB port with minimal protrusion making it ideal for use whentraveling or in a crowded workspace.* Includes the latest 11n technology, which provides a better wireless signal than previous-generation 11g.* Adding Wireless-N to your computer provides an excellent solution for performing everyday activities such as transferring files,browsing the Internet, and downloading music.Speicifications:* Wireless Network Standards: IEEE 802.11n* Frequency range: 2.4-2.4835GHz* Channel: 13* Network protocol supported: CSMA/CA with ACK* Transmission mode: DSSS* Device Type: Wireless Adapter* Operation systems: WIN2K, XP, VISTA, WIN7, MAC, LINUX.* Interface: USB 2.0* Product size: 18*9mm* Package size: 130*86*22mm* Net weight: about 2.5g