A mesh network spreads out each connection, ensuring Wi-Fi beyond the reach of a single router’s signal. Each mesh router pod on the network will also intelligently “talk&rd... EnGenius EL-EMR3000 performance Dual band 11ac WiFi Mesh router system
That's a bit pricy, can get 3 wi-fi access points for less than $90 and connect them with AOSS or other linking solution. Looks good though.