D-Link DWA-140 Wireless N USB (Universal Serial Bus) Adaptor works by connecting to a Wireless N router, you will maximize wireless performance & remain connected from virtually anywhere in your home. It can also be used with 802.11g & 802.11b wireless networks to enable significantly enhanced reception. This Adaptor supports WPA/WPA2 security & WEP data encryption to help prevent outside intrusion & protect your personal information. Click'n Connect, D-Link's quick setup wizard, guides users step-by-step through the installation process, meaning you can configure this Adaptor in minutes without fear of having to call in a networking expert!