: Drivers for 802.11n hardware manage Multiple-Input Multiple-Output (MIMO) technology, which uses multiple antennas to increase data rates and coverage.
: The driver facilitates the use of 40 MHz "fat" channels, doubling the standard 20 MHz bandwidth used by older standards like 802.11g. 802.11 N Wifi Driver
If your Wi-Fi is slow or frequently disconnecting, you may need to update or reinstall your driver. : Drivers for 802