Tenda A18 AC1200 Dual Band Universal Wi-Fi Repeater, Broadband/Wi-Fi Extender, Wi-Fi Booster/Hotspot, with 1 Ethernet Port, works with all broadband providers: Gigabit WiFi Repeater Works Well with Optical RoutersAC1200 Dual Band WiFi Repeater Tenda A18Works Well with Optical Routers for Strong Wall Penetration Capacity on 5 GHz BandOrdinary 11AC routers performs poorly on wall penetration on 5 GHz band. With A18 to repeat 5 GHz WiFi network, data transmis