ASUS RT-AC2900 Dual Band Wireless Router AC2900N, IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.11ac, IPv4, IPv6, AC2900 ultimate AC performance: 750+2167 Mbps, Memory: 256 MB Flash/ 512 MB RAM, 3* External antenna, 1* Internal 3dBi an