1. No Pigtail Required
2. No Modification to AP (No voiding of warranty)
3. No Matching (SWR) Problems
4. No Purchased Parts
5. Trivially Easy Construction
6. Very Low Probability of Error
7. As Good As or BETTER Performance than the Pringles Can Antenna
8. Superior Front to Back/Front to Rear Ratio
9. Improves Wireless LAN Privacy
10. Reduces Interference
This antenna is so easy to make.You just need:
1. Piece of polystyrene (FREEBIE) :
2. . Reflector(U can use anything such as Pringles cans, large tin cans, wire screen, aluminum sheet, and tin roofing material). I use Aluminum Net (RM3):
3. WIFI Router.Mine.D-Link DSL-2640T Wireless G ADSL2+ Router (RM200) .
4. First cut the polystyrene and aluminum net like pictures below.
5. Make hole !!!
6. Cut and bend it like this.
7. Put together. You can use rubber band , glue or anything to stick the polystyrene with aluminum net.
8. Put it on to the antenna.
Done!!!
My signal gained 10db from this cheap mod..
Ref: http://www.freeantennas.com/