First, kudos to Amazon for a service without reproach far. After unpacking a toy is offered to my eyes, it is super nice this router ... What follows is the connection and there miracle, almost everything is automated ... In ten minutes, I'm exaggerating, my old wired and wifi were recognized, and the management of it by the Asus RT-AC66U occurs without any problems. The wifi mac address filter is great, just add users and activate the filter ... really great. Laptop, smartphone android, iphone, video surveillance can be managed with flexibility and speed. For example, connection speed my smartphone with my old wireless network n, never exceed 50Mbps now I turn to 80Mbps, unparalleled improvement. In short, I recommend this machine is a marvel, I will soon appoint him his further worked and there, I will have completed my small network. I put 4 stars because I still have to look into all functions and do not know yet comment on its behavior over time. Good news, Asus Product guaranteed 3 years ...