Справочник Пользователя для ASUS RT-AC66U

The Guest Network provides temporary visitors with Internet 

connectivity via access to separate SSIDs or networks without 

providing access to your private network.

NOTE: RT-AC66U supports up to six SSIDs (three 2.4GHz and three 5GHz 

SSIDs).

To create a guest network:
1.  From the navigation panel, go to General > Guest Network.
2.  On the Guest Network screen, select 2.4Ghz or 5Ghz frequency 

band for the guest network that you want to create. 

3.  Click Enable.