18. Tweak, Monitor, and Extend Your Wi-Fi Network With a Firmware Upgrade (or Aluminum Foil)
Extend your router's signal, throttle your bandwidth, review usage charts, and more with an open-source router-firmware upgrade. The free [[xref:http://www.dd-wrt.com/|DD-WRT|DD-WRT]] and [[xref:http://www.polarcloud.com/tomato|Tomato|polarcloud.com]] firmware each offer advanced features for managing your wireless network, including bandwidth monitors, quality-of-service graphs, and even router overclocking to extend your signal.
Want to make your Wi-Fi router's signal reach the attic and the basement the low-tech way? Some sites say they've achieved gains by fashioning a foil "windsurfer" parabola and [[xref:http://www.freeantennas.com/projects/template|attaching it to the router antenna|Deep Dish Cylindrical Parabolic Template]].