150Mbps High-definition Wireless LAN USB 2.0 Adapter The Wireless USB Adapter complies with IEEE 802.11n, IEEE 802.11g, and IEEE 802.11b standards. Wireless transmission rates can reach up to 150Mbps. High speed USB2.0 / 1.1 host interface. The adapter provides better wireless performance, transmission rates, stability and coverage. This product supports 64/128-bit WEP encryptions. Radio Channel: 1 ~ 14 channels (Universal Domain Selection). Operating system includes XP / Vista / Win 7 Linux and MAC OS X.