#4 Change Default Channel-width for High Speeds
If you find that speeds never exceed 130Mbps, you may just have to change default channel-width. To limit interference with older Wi-Fi gear, wireless N routers and APs are shipped with the 20-MHz-wide channel setting selected.
Part of the performance increase in wireless N is from moving up to a 40MHz-wide-channel, which is called channel bonding. Thus to achieve the maximum speeds, you have to change this default setting first.
To change the encryption settings, log on to the router's configuration utility by typing its IP address into a browser.
The default IP and the password should be listed in the documentation, if needed. Then find the wireless settings and change the encryption type.
To enable channel bonding, bring up a browser and type in the router's IP address to log onto the Web-based configuration utility. Then find the wireless settings and select 40MHz-wide channels.
Don't forget to save the changes.