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D-Link DIR-604 User Manual
Section 3 - Configuration
Click the
Save Settings
button when you have finished the advanced wireless configuration.
20/40Mhz
Coexist:
Short Guard
Interval:
Select to enable or disable 20MHz and 40MHz co-existing in the same wireless network. This is useful when 20MHz
and 40MHz devices exist in the same wireless coverage area. Enable this feature to properly allocate channels without
interference in such a scenario.
Tick this check box to reduce the guard interval time therefore increasing the data capacity. However, this is less reliable
and may create higher data loss.