Amazon.com: VONETS WiFi Module VM300-H WiFi Bridge/Wireless Repeater/Mini Router Signal Booster Extender RJ45 Adapter Ethernet 2.4G 300Mbps with 2 External Antennas for DIY Engineering Video Transmission : Electronics
How to Build a Low Cost WiFi Antenna: 7 Steps (with Pictures)
Slow Wi-Fi Got You Down? Speed Up Your Home Wireless Network with These Quick Tips « MacGyverisms :: WonderHowTo
CC Vector Extended Long Range WiFi Receiver System - Works with All Devices - Receives Distant WiFi and Repeats to All WiFi Devices in a New Location 2.4GHz
Simple Directional WiFi Antenna | Hackaday
9 Genius DIY Tricks to Try to Improve Your Wifi Signal