As big and expensive as Netgear’s Nighthawk AX8 WiFi Mesh Extender (EAX80) is, it’s more than worth it for homes riddled with Wi-Fi dead zones. Not only was it the fastest extender we tested but it can use wide 160MHz data channels to satisfy members of a data hungry family. The Netgear Nighthawk AX8 WiFi Mesh Extender’s slew of ports make it easy to fit into a home network, although its included 90 days of support falls short of the years of help that others offer.