The D-Link DWA-140 is a Wireless N compliant adapter for your desktop or notebook PC. It delivers up to 12x faster speeds1and 4x farther range than an previous-generation network while staying backward compatible with Wireless G networks. Once connected, you can share a high-speed Internet connection, photos, files, music, printers and more. The DWA-140 is powered by RangeBooster N technology to provide superb wireless performance in the home or office. Connect to a RangeBooster N Router (DIR-628) and experience smooth Internet phone calls (VoIP), responsive network gaming, secure Web surfing, faster file transfers, enhanced audio streaming and greater wireless coverage in larger homes and offices1. The DWA-140 supports WPA and WPA2 encryption and includes a Wi-Fi Protected Setup (WPS) Push Button to easily connect to a wireless network.