Quick overview from the supplier:
TP-LINK Deco E4 (2-pack) AC1200 MU-MIMO, Whole Home Mesh Wi-Fi System, Router, Access Point, 867 Mbps at 5 GHz, 300 Mbps at 2.4 GHz, 2 10/100Mbps, WAN/LAN Ports, 1 Power Port, Flash 16MB, SDRAM 128MB, 2 Internal dual-band antennas per Deco unit
