The Arescom Wireless LAN USB Adapter (WL-220) is fully compatible with IEEE 802.11b DSSS wireless standard used in the Direct Sequence Spread Spectrum. It supports LAN connections for USB-enabled PC's with excellent levels of security with the robustness and roaming features required for your business with a data transfer rate of up to 11 Mbps. Compatibility with USB specification 1.1 also provides energy-saving suspend mode and resume operations. It is a plug & play, Hot-swapping and simple test installation device that supports Microsoft's network security features fully.