Wi-Fi speed Services such as IPTV, online games, streaming music and video, have become part of everyday life. In order for all of them to perform their functions, you need fast and reliable Internet. Smart TV cannot work at full capacity if it has to buffer an image. Online games are not so interesting if the Wi-Fi signal constantly disappears, and a tablet without Wi-Fi has no more functionality than a paperweight. It translates the radio signals formed by the Router and sends them back into the internet. They are also used to provide Internet access by transforming the wired internet connection from a modem into a wireless signal. Simply to say, it has a wireless access point and performs the role of a router. Now, to get the fastest internet browsing experience and to aid you in selecting the correct product.

ref: https://www.mippin.com/best-wifi-routers/