Asus USB-N10 - Manual (Page 14)

14 ASUS USB-N10 Chapter 3: Connecting to the wireless network
3. The network adapter searches for the wireless router. When done, click Next
and follow the succeeding onscreen instructions.
Connecting via the PIN code
1. From the WPS Wizard, select Use the PIN code. Click Next.
2. Select the router that you want to connect to.
Note: If WPS configuration failed, move your computer closer to the router then try again.