D-Link DWA-140 RangeBooster Draft 802.11n Wireless USB Adapter The RangeBooster N USB Adapter is powered by RangeBooster N technology Quick Adapter Setup Wizard guides you step-by-step through the installation process. Quick Adapter Setup Wizard guides you step-by-step through the installation process Delivers up to 12x faster speeds* and 4x farther range* than 802.11g.