TP-LINK TL-WA850RE is a universal Wi-Fi range extender that can be used to boost the signal of an existing wireless network, eliminate dead zones, and extend the coverage of a Wi-Fi network to hard-to-reach areas. It features a compact and portable design, making it easy to place anywhere in the home or office. With speeds of up to 300Mbps on the 2.4GHz band, it can handle bandwidth-intensive tasks like streaming HD video, online gaming, and large file downloads.