Expand Wi-Fi to where you need it most with the RE350K, which provides up to 10,000 square feet of dual band AC1200 wireless coverage. The free Kasa app (Android, iOS) makes it easy to set up and extend coverage across your home. The app also helps you discover the best place for setup, using the extender's LEDs or letting you know on your mobile device. Connect a wired device to the Gigabit Ethernet port for a stable wireless connection Frequency Range: 2.4GHz & 5GHz(11ac); Interface Available: 1 x 10/100/1000M Ethernet Port (RJ45); Protocols Supported: IEEE 802.11ac IEEE 802.11n IEEE 802.11g IEEE, 802.11a IEEE 802.11b; System Requirement: Microsoft Windows 98SE NT 2000 XP Vista or Windows 7/8 , Mac OS NetWare UNIX or Linux.