Specifications: Easy Wi-Fi Extension Boost Your Wireless Network Strengthening And Expanding Its Signal To Every Corner Of The Home – Even To Those, Hard-To-Reach Spots, Such As Bathrooms, Balconies, Bedrooms. This Ensures An Increased Coverage Of Reliable And High-Speed Internet For Devices Such As Notebooks, Tablets, Smartphones, Game Consoles And Smart Tvs. 2×2 External Antenna, With A Transmission Rate Of Up To 300Mbps Support Up To 16 Devices Connected Simultaneously 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.