Along with traffic and signal strength/throughput optimization technologies, AC3150 Ultra Wi-Fi Router (DIR-885L/R) incorporates multi-user MIMO (MU-MIMO) technology for simultaneous transmission to groups of clients. Router has 4 detachable external antennas and high power amplifiers and supports 4x4 data streams and speeds up to 2,167 Mbps on 5 GHz band and 1,000 Mbps on 2.4 GHz band. Four Gigabit LAN Ethernet ports provide wired connectivity, and one USB 3.0 port is standard as well.