Netgear Orbi RBK353 is a good mesh system to eliminate Wi-Fi dark zones at home - Hindustan Times
NETGEAR Orbi Dual-Band Mesh WiFi 6 System Add-on Satellite (RBS350) | Works with Orbi WiFi 6 System RBK653 | Adds up to 1,750 sq. ft Coverage | AX1800 (Up to 1.8Gbps) :