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NOTE:
Your device has two Wi-Fi SSIDs, select Settings >
Wi-Fi Settings > 2.4GHz / 5.0GHz, and you can set the
band selection, network mode, channel bandwidth and
other Wi-Fi advanced settings.
Black List
Select Setting > Wi-Fi Settings > Black List, the Black
List page is shown in the following gure.
All the clients connected to your device are shown in the
Device Information area. Click Block behind the device
you want to block and then it will be added to the black list.
Click Delete to delete the device from the black list and
then the device is unblocked.