Mesh WiFi vs WiFi Repeater/Extender vs Powerline Adapter
WiFi Extenders vs Powerline Adapters: Which is the Best for You? - Practically Networked
Amazon.com: TP-Link AV1300 Powerline WiFi Extender(TL-WPA8630 KIT)- Powerline Adapter with AC1350 Dual Band WiFi, Gigabit Port, 2X2 MIMO with Beamforming, Plug&Play, Power Saving, Ideal for Smart TV : Electronics
Amazon.com: TP-Link Powerline WiFi Extender - Add-on Single Adapter, Ethernet over Powerline, Plug & Play, Compatible with all TP-Link powerline adapters with different speed, AV600 with N300 WiFi(TL-WPA4220) : Everything Else