Find the best location with Mi Home app For the best results, Mi Wi-Fi Range Extender Pro needs to be placed somewhere between the router and the dead zone and with a strong and stable router signal — you can check this through Mi Home app. Two powerful high-gain external antennas give wider coverage and better performance,Wireless function, make your wireless coverage larger,Compatible with other brands router,Support up to 64 devices to fulfill the needs of the whole family,Manage your network settings easily with the Xiaomi Mi WiFi APP ;This amplifier will upgrade automatically without any setting.”