Powerline adapter TP-LINK RE315

Quick overview from the supplier:

Wi-Fi AC Dual Band Range Extender/Access Point TP-LINK "RE315", 1200Mbps, Mesh, 2xExternal Antennas // Eliminate weak signal areas with whole home WiFi coverage. 2.4 GHz (300 Mbps) and 5 GHz (867 Mbps) dual-band WiFi connection ensures more stable wireless experience.† Creates a Mesh network by connecting to a OneMesh router for seamless whole-home coverage.‡ Adaptive Path Selection – connects to the fastest connection path to the router automatically and runs at top-speed. High Speed Mode – maximizes speed by using one WiFi band as dedicated backhaul, ideal for HD streaming and gaming. AP Mode – create a new Wi-Fi access point to enhance your wired network with Wi-Fi capability. Smart signal indicator helps to find the best location for optimal Wi-Fi coverage by showing the signal strength. Push the WPS button to easily connect to the router and you can uniformly manage from the Tether app or Web UI. Works with any Wi-Fi router or wireless access point