Easy to Build WIFI 2.4GHz Yagi Antenna. The building steps are simple: 1. Print out the scaled Yagi antenna template* (download from next step). 2. Trim paper clips to size and glue them to the template. 3. Use Popsicle sticks to build the antenna's backbone and hold it together. 4. Connect the USB device to the antenna. *I used a Yagi modeler java applet to generate the diagram. The modeler gives a diagram and the elements' lengths and position. You can visit AB9IL awesome website to get more details on using the modeler for this 15 element Yagi and other fine antenna projects, such as a 20 element WIFI Yagi . Fast, Cheap, and Easy Wifi Cantenna. It will take some aiming and maybe even a tripod but you should definitely notice an increase in the bountifullness of your internets. I went from 1-2 bars to 4 bars and I can play games with no network lag. I am not even in the house, but in an outbuilding.
Also I am using a crappy $5 wifi dongle. Hope this helps someone! Use an old Satellite Dish as a Wi-Fi Range Booster. Build a Cheap Wi-Fi Signal Booster Out of a Tin Can. Top 10 Wi-Fi Boosts, Tweaks and Apps. All of these are very good tips to secure and optimize your network and wireless connection. In my case I have a Linksys WRT54GS and do not have any hacks (firmwares) on this router. After several tries I found what works for me.
On the Basic tab I have changed the default Local IP address to something other than 192.168.1.1 and also made my DHCP limit to 5 ips (I tried to go with Static IP Address but it was a hassel to setup laptops or any other wired/wireless device when I had a friend over). On the Wireless settings I changed the default SSID "Linksys" to my on personal seclection and change it from time to time. On Security, Access Restrictions, Application & Gaming are mostly on default, I have ftp and remote desktop ports open and if you want to manage more your access you can setup parental control or internet access limitation with time and date access and other options but since I just want my internet connection "Always On" I do not bother with these settings.
Boost Your Wireless Signal With a Homemade Wifi Extender.