@100sCustomers I literally returned the TP-Link DECO product because in order to configure it you needed a working internet connection. A login to their website and a smartphone ... what garbage....

@TheBuzzard This functionality exists in TP-Link AX-11000. Security // Access Control // Access Mode => [x] Blacklist [ ] Whitelist. Blacklist is default. Whitelist is there for you ...

@TP-Link It really doesn't require anything comprehensive. Ancient "wifi-routers" used to have this. It will make it annoying for apple & samsung users but that's the price that kids have to pay for...