Strengthen your network signal Are you sick of the poor Wi-Fi signal? The TP-Link signal amplifier allows you to easily and comfortably increase wireless coverage to enjoy a fast and stable connection throughout your home or office. Easy installation and deployment Users can easily increase wireless coverage without using any additional cables, by placing the device within the range of the existing wireless network. Just press the WPS button on the router and then, within two minutes, the Range Extender button on the amplifier. Ethernet Connection The single Ethernet port of the TL-WA850RE amplifier allows you to use the device as a network card, allowing connection to the wireless network of wired devices such as Blu-ray® players, game consoles and digital television decoder. In addition, the device can also provide wireless access. Smart signal force indicator The amplifier is equipped with 5 LEDs showing the power of the received wireless signal. This indicator is helpful in selecting the optimal location for the device. Best Morning. Weak In order for the device to work with optimal performance, it is recommended to place the amplifier in a place where at least 3 diodes are lit bluely. Tether App With the Tether app, you can control the amplifier with any mobile device, e.g. by running a night mode that disables the device diodes to give you a calm sleep.