Amazon.com: TP-Link Deco Powerline Mesh WiFi 6 System (Deco PX50), Covers up to 6,500 sq.ft, Replaces Routers and Extenders, Signal Through Walls and Floors, Compatible with Alexa and Google Home, 3-Pack :
Devolo introduces new hybrid powerline/mesh-network systems | TechHive
PW1 Powerline Mesh WiFi Network Switch for home - China Mesh Wi-Fi, Ethernet Bridge | Made-in-China.com