Instructables
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This instructable is going to teach you how to attach an antenna to a USB WIFI adapter.
Lets get started! 

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Step 1: Materials

Picture of Materials
You will need:
USB WIFI Adapter
Flat head screwdriver
External Antenna
Copper wire (about 1 mm)
Scissors and tape (or hot glue)

Tools (Not shown):
Drill
Hot Glue Gun

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Step 2: Take the thing apart!

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Using your flat head screwdriver, gently pry apart the USB WIFI stick.
Now look your circuit board. Mine had a single little rectangle antenna inside. This is what the antenna should be connected to.

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Step 3: The antenna...

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Insert the copper wire into the small end of the antenna. Use hot glue to seal it.

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Step 4: Make a hole in the case

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Mark out a hole on the top where the little antenna inside is. Drill it out, and bend the little metal you connected to the antenna about 80 degrees. Then put it through the hole and make sure the wire and antenna make contact. Then glue everything shut.

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Step 5: Testing

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In testing before and after Windows showed the connection improved from "good" to "excellent".
The internet speed increased 10mbps! OMG!
In all this experiment was a complete success!
However in the future I would ground the antenna by soldering a wire from its ground to the ground on the USB port.


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rhidayat37 months ago

where do uc connect the copper cable antena to the wifi?? are you soldering them or not?? i have tp link tl-wn721n.. how to connect it to the antenna? thanks??

talhaijaz1 year ago
amazing! from how many distance it catch signals
Hey my wifi adapter is very small and im not sure exactly where i would attach the antanna. Heres what its called so that you can maybe help me to figure this out. Its an Encore Enuwi-n2 wifi adapter. if u can help me figure this out itd be real nice. thanks.
dchall83 years ago
I thought a WI-Fi adapter was an antenna. What does your Wi-Fi adapter do? And where do you get one?
TechyGeeky (author)  dchall83 years ago
And the cheapest ones you could get are probably from your nearest electronics store because you don't need to pay for shipping :D
TechyGeeky (author)  dchall83 years ago
Sorry for the confusion, I'll fix it.
Its an adapter and antenna all in one package. I've gotten some nice antennas from dealextreme.com but you can almost make simple dipoles from short pieces of copper wire.
Scott_Tx3 years ago
On the ones I've hacked you have to remove a tiny surface mount jumper/capacitor to disable the internal antenna also.