How to extend wifi range with another router - YouTube
How to Set Up Your Wi-Fi Extender for the Best Signal | Tom's Guide
Amazon.com: NETGEAR Wi-Fi Range Extender EX2700 - Coverage Up to 800 Sq Ft and 10 devices with N300 Wireless Signal Booster & Repeater (Up to 300Mbps Speed), and Compact Wall Plug Design :
Connect WiFi to your shop, garage or barn - Extending WiFi | RadioLabs