The Best Wi-Fi Extender and Signal Booster

By Wirecutter
TP-Link RE220
"Our pick: Improved Wi-Fi coverage, low cost"
TP-Link RE300
"Runner-up: Solid Wi-Fi, no wired ports"
Netgear Nighthawk X6 EX7700
"Upgrade pick: Rock-solid speedy connections, but pricey"