IoTuesday: 3 Easy DIY Antennas That Increase Your WiFi and Bluetooth Range - News - SparkFun Electronics
Simple Directional WiFi Antenna | Hackaday
usb - Want to build my own WiFi antenna, don't know what connector I need - Super User
Amazon.com: Eightwood WiFi Antenna with RP-SMA Male Connector, 2.4GHz 5GHz Dual Band Antenna Magnetic Base for PCI-E WiFi Network Card USB Adapter Wireless Router : Electronics
How to Make a Wifi Antenna (with Pictures) - wikiHow
Build Your Own Long-range WiFi Antenna for Less than $100 - Practical Sailor
How to Build a USB WiFi Antenna - Tech-FAQ
Long range wifi with helical antennas
1km High Power USB Adapter WiFi Antenna 802.11b/g/n Signal Amplifier Receiver | eBay