Tenda A6 User Manual page 64

Wireless N150 Mini AP/Router
("Both" includes TCP and UDP).
Example: To prohibit PCs within the IP address range of
192.168.2.20-192.168.2.30 from accessing Internet from 8:00 to
18：00 during working days, do as follows:
Click "Save" and you will find such entry in the List below.
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