Netbook External Antenna Mod

I have been using an Alfa AWUS036H for some time now. it's a great USB wireless card that supports injection, monitor mode, and runs 1000mW. The problem is while I can hit just about any access point I point it at the performance is horrible. I average about 2Mb on a 40Mb cable connection. Its just not acceptable. Its great for hacking but for regular use its worthless. During my playing I noticed that the Broadcom B43 card that came in my Dell mini also supports Injection and monitor mode, I can also run it at 1000mW. The Broadcom also averages around 20Mb to 30Mb download speed on my 40Mb cable connection, which isn't bad for wireless. The problem is I can't get near the coverage that I can with my Alfa. To solve this problem I have decided to add an external antenna to my internal wireless card.

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