Mesh routers are the latest technology upgrade for home Wi-Fi networks. Mesh networks have been used for years in large places where a secure network is critical, like military bases and businesses. (In such cases, the network is often isolated and not connected to the internet.) Now, residential wireless-internet users can optimize their home Wi-Fi with a form of mesh networking, too. Read more at Tom’s Guides
There are many mesh Wi-Fi systems out there including Eero, Linksys Velop, Netgear Orbi, Google WiFi and many more.