Router Mesh Network - What is a Mesh Network?

A router mesh network is a smart way to ensure you have strong Wi-Fi coverage throughout your entire home, no matter how big or spread out it is. Instead of just one router, a mesh network uses several nodes spread around your home. These nodes all work together to create one large, seamless Wi-Fi network.

Please see: Regular Extenders vs Mesh Routers - Is a regular extender or mesh router suitable for me, for the difference between Mesh and extenders.