NETGEAR - Universal Wi-Fi Range Extender with Ethernet port
NETGEAR Universal Wi-Fi Range Extender: Broaden your network connection with a range extender that gives you extra Wi-Fi coverage in your home. Smart LED indicators will direct you to the optimal location to plug the extender into the wall, so you can easily enjoy improved range and speed on your mobile and wired devices. Save on data usage by connecting your smartphone or tablet to your home network.
Will it help with the lagging on my game console
Depending on your upload/download speed, may need to change your NAT and UpNp settings. I have this plugged in next to my consoles and ran Ethernet direct from it and it has helped a lot.