802.11 is a set of IEEE standards that control wireless networking transmission methods. They are used today in the following version to offer wireless connectivity in different environments (home/business).
The latest version i.e. 802.11n, is a wireless networking standard that uses multiple antennas to increase data rates. The performance of this version is influenced by network setup, interference from other nearby networks, frequency (2.4GHz or 5GHz) and more. If you find it disabled for some reason, here are the steps you can follow to review the recommended settings for 802.11n connectivity and enable it, if needed.
Enable 802.11n for Windows
Right-click the Wi-Fi icon present on your Windows taskbar and choose ‘Open Network and Sharing Center’ option as shown in the screen-shot below.
Next, click ‘Change Adapter Settings’ link.
Then, right-click the Wi-Fi adapter and select the ‘Properties’ button.
This will open the Properties box. From the ‘Properties’ page that shows up on your screen, select ‘Configure’ option.
Select to ‘Advanced Tab’ and search for the 802.11n Mode under the Property, select it and change its Value to “Enabled“.
If for some reason, the 802.11n version doesn’t show there, update your driver and firmware.
When it’s done. hit ‘OK’ button to apply the final changes. As the last step, establish a re-connection with Wifi router.