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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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JoeTownStunt9 months ago

Was happy to see people taking on DIY projects until this got near the end, then I was just shaking my head.

Just "hot glueing" the cable in was one thing (without solder, you will likely lose a few db's of power just from that connection alone), but then the wire that comes out of the hot glue and goes to the adapter, what are you connecting it to? The big silver shield? That is a interference shield to protect the radio chip, that is NOT the antenna! That silver thing is actually grounded out.

If you noticed any improvement from this, it was all in your head. But at least you dind't go soldering/removing stuff from the motherboard, so this mod likely didn't affect your performance.

The antenna is actually on the motherboard itself, it is just a little bit of copper that could be imprinted in the circuit board and hard to 'see'.

rhidayat31 year 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??

talhaijaz2 years 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.
dchall84 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)  dchall84 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)  dchall84 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_Tx4 years ago
On the ones I've hacked you have to remove a tiny surface mount jumper/capacitor to disable the internal antenna also.