Devolo dLAN 550 WiFi Starter Kit - Powerline connection at speeds up to 500 Mbps - YouTube
Amazon.com: TP-Link AV500 2-Port Powerline Starter Kit, Up to 500Mbps (TL-PA4026 KIT) : Electronics
For anyone with bad internet this will really help with it. It's called "tp link powerline" and it basically send wifi through the electricity and it's the same as a normal lan
TP-LINK TL-PA7010 KIT Powerline AV1000 starter Kit data transfer up to 1000 Mbps Gigabit port 300m range over electrical circuit-REFURBISHED - AliExpress