WiFi D.I.Y

For Wi-Fi D.I.Y., try the Chinese Cookware Wi-Fi USB Antenna!
"Make 2.4GHz parabolic mesh dishes from cheap but sturdy Chinese cookware scoops & a USB WiFi adaptor !
The largest (300mm diam)shows 15-18dB gain (enough for a LOS range extension to 3-5km), costs ~US$5 &
comes with a user friendly bamboo handle that suits WLAN fieldwork- if you can handle the curious stares!"