Which is better for 8 users doing voip , watching youtube videos, browsing and playing multiplayer online games at a time ? Beacon interval 100/dtim interval 1 B.i. 200 / dtim 1 B.i. 50/dtim 4 B.i....

I want to make a separate admin account and separate wifi network for admins and separate user login for setting tplink router and separate wifi network for users . Just like as in mobile broadband...