Model Name RT-AC59U V2 Network Standard IEEE 802.11a IEEE 802.11b IEEE 802.11g IEEE 802.11n IEEE 802.11ac IPv4 IPv6 Data Rate 802.11a : up to 54 Mbps 802.11b : up to 11 Mbps 802.11g : up to 54 Mbps 802.11n : up to 600 Mbps 802.11ac : up to 867 Mbps Antenna External antenna x 4 Transmit/Receive MIMO technology 2.4 GHz 4 x 4 5 GHz 2 x 2 Processor 74Kc MIPS processor with 64 KB I-Cache and 32 KB D-Cache, targeted to operate at up to 775 MHz Memory 32 MB Flash, 128 MB RAM Boosts speed Beamforming: 802.11ac Explicit transmit beamforming (TxBF) and Legacy implicit TxBF for both beamformer and beamformee 256-QAM high data rate 20/40/80 MHz bandwidth Operating Frequency 2.4G Hz / 5 GHz Ports RJ45 for Gigabits BaseT for WAN x 1, RJ45 for Gigabits BaseT for LAN x 4 USB 2.0 x 1