How to Improve WiFi Reception: 10 Steps (with Pictures) - wikiHow
Amazon.com: VONETS VM300-L WiFi Module WiFi Bridge Wireless Repeater Mini Router WiFi Extender Signal Booster with Ethernet Port RJ45 Adapter 2.4G for DIY Professional Network Device : Electronics
DIY Beer Can WiFi Booster
Simple Directional WiFi Antenna | Hackaday
RV.Net Open Roads Forum: Technology Corner: DIY wifi antenna booster