Expand and Improve Your Wi-Fi. The RE370K is a smart home range extender that works with any wireless router to deliver AC1200 Wi-Fi. The additional coverage and speed lets you stream in HD, game online and stay connected across your home. It eliminates dead zones and expands the range of your existing wireless network, creating stronger connections for devices across your home, including Kasa smart home products.Do It All With KasaDevice ControlKasa allows you to control all of your smart plugs from your phone so you can easily keep track of all your connected devices. Network Management Manage your network and who can access it using the Kasa app on your smartphone (Android 4.1+, iOS 9.0+).Easy Setup The RE370K comes with an Intelligent Signal Indicator that helps you find the best spot for setup. Just plug in the range extender and follow the steps on your screen.Control Electronics and Appliances RemotelyThe RE370K comes with a built-in smart plug that works using your Wi-Fi network. Control connected devices, such as lamps, fans and heaters from anywhere using Kasa app on your smartphone.Manage Devices Using Your VoiceWhen paired with compatible Amazon Alexa or Google Assistant devices, you can use your voice to control electronics and appliances connected to the built-in smart plug. You can also add it to new or existing groups you have on Kasa.External Antenna Design The external antenna provides a reliable wireless coverage and stable performance. Gigabit Ethernet Wired Connection Connect wired devices such as game consoles and TVs directly to Wi-Fi using the Gigabit Ethernet port.