D-Link DWA-123 Wireless N 150 USB Adapter (Black) The D-Link DWA-123 is 1x1 Single band Wireless N 150 USB Adapter. It is the Lite version of D-Link wireless N 150 USB adapter. It complies with IEEE 802.11n and backward compatible to 802.11g and 802.11b. The data rate is up to 150Mbps and is able to support Windows 7 OS. Connect your PC to a wireless network : Connect to your wireless home by adding a D-Link Wireless N 150 USBAdapter to your notebook or desktop computer. Once connected, you can share a high-speed Internet connection and access shared documents, music, and photos from other computers on your network.