The gateway of an eero system, eero (2nd generation) has two auto-detecting Ethernet ports that allow you to connect to your modem and any other device (like an Ethernet switch or printer). With the addition of a third 5Ghz radio, eero is now tri-band and twice as fast as its predecessor, which lets you do more, simultaneously, in every room of your home. eero is WiFi you never have to think about again.