How do I configure advanced wireless settings on TP-LINK wireless router

Suitable for: 54Mbps Wireless G Routers

Step 1 Open the web browser and type the IP address of the router (default is 192.168.1.1) into the address bar and then Press Enter.
Step 2 Type the username and password in the login page, the default username and password both are admin.
Step 3 Select Wireless->Advanced Settings on the left side, and then change the options if necessary.
XR: eXtended Range technology
Power: Wireless transmission power