D-Link DIR-822 User Manual page 143

DIR-822 AC1200 Wi-Fi Router
User Manual
Parameter
Short GI
Adaptivity Mode
When you have configured the parameters, click the Apply button.
Guard interval (in nanoseconds). This parameter defines the interval
between symbols transmitted when the router is communicating to
wireless devices.
Enable: the router uses the 400 ns short guard interval. For the
wireless network operating modes which support 802.11n standard
only (see the value of the Wireless mode drop-down list on the
Wi-Fi / Basic settings page).
Disable: the router uses the 800 ns standard guard interval.
Select the checkbox to prevent your wireless network from
interfering with radars and other mobile or stationary radio systems.
Such a setting can slow down the router's WLAN.
Page 143 of 212
Configuring via Web-based Interface
Description