Asus dual-band large home Mesh ZENwifi system, XD4 3 pack; white , 256 MB Flash, 256 MB RAM ; Network Standard IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.11ac, IEEE 802.11ax, IPv4, IPv6, Internal dual-band antenna x 2, MIMO technology 2.4 GHz 2 x 2, 5 GHz 2 x 2, RJ45 for 1000 BaseT for WAN/LAN x 1, RJ45 for 1000 BaseT for LAN x 1.