DHMXDC Wireless-N 300Mbps WiFi Range Extender Wireless Router/Repeater/AP/WPS Mini Dual External Antennas Wireless Booster Signal Wireless Access Point
How to Use a Router as a Repeater to Extend your Wi-Fi - Tech Advisor
Linksys Official Support - Configuring the Wireless Repeater mode on most Linksys Smart Wi-Fi Routers