RE220 expands your existing Wi-Fi coverage with next generation 11AC Wi-Fi technology. It works with any standard Wi-Fi router. Extend WiFi Coverage - Boost Internet WiFi Coverage up to 1200 Square feet and connects up to 20 devices - Compatible with WiFi Router, Gateway, Access Point ( 2.4GHz - 300Mbps / 5GHz - 433Mbps ) Eliminate WiFi Dead Zones - Enjoy Lag-Free connection to any type of devices, including wired devices via Fast Ethernet port. System Requirements - Microsoft Windows 98SE, NT, 2000, XP, Vista or Windows 7, 8, 10, Mac OS, NetWare, UNIX or Linux Stay connected - Expand WiFi Coverage for your Smart Phones, Smart TV, Fire Stick, Google Chromecast, Web Browsing, Alexa Echo, Ring and more Easy set up - Two simple taps and you are ready to connect, Smart indicator light helps to install in best optimal location OneMesh Technology - Enables the creation of a OneMesh network for seamless roaming when paired with the Archer A7 Router (more devices to be updated in the future) The Ethernet port of RE220 can easily turn your wired Internet connection into a wireless access point. It can also function as a wireless adapter to connect wired devices, like Blu-ray player, game console or smart TV All WiFi extenders are designed to increase or improve WiFi coverage, not to directly increase speed.