Setup ACCESS POINT mode on TP-LINK TL-WR840N | NETVN - YouTube
TP-Link TL-WR841N 300Mbps Wireless N Router
Installing DD-WRT on the TP-LINK TL-WR841N
TP-Link N300 Wireless Extender, Wi-Fi Router (TL-WR841N) - 2 x 5dBi High Power Antennas, Supports Access Point, WISP, Up to 300Mbps Wireless Routers - Newegg.com