54M DESKTOP PC&Laptop NETWORK Card WIRELESS USB Adapter USB 802.11G 54M WIRELESS LAN Adapter(RT2070 Chipset) Features: 1. Complies with IEEE 802.11g, IEEE 802.11b standards 2. 54Mbps RX PHY Rate, 54Mbps TX PHY Rate Support 3. 20MHz/40MHz bandwidth, Reverse Direction Data Flow and Frame Aggregation 4. Supported OS: Mac, Windows 2000, Windows XP, Windows 7, Windows Vista32/64, Linux