Super fast wi fi dual band 802 11ac wi fi with concurrent speeds up to 867mbps 5ghz and 400mbps 2 4ghz improved wi fi range four external 5d bi antennas for improved wi fi range and multi device performance mu mimo revolutionary technology for the best multi device performance quad core processor responsive network performance and smooth data handling 128mb memory for multi tasking fast memory architecture enables stable multiple simultaneous download streams on multiple devices