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Build a weatherproof compact high gain WiFi antenna Length 1:47
Curated 5/9/09 Hosted by metacafe.com
Creator's Site www.metacafe.com/channels/hanzablast

See how to build a weatherproof compact high gain WiFi antenna for under fifteen dollars! This homemade WiFi antenna should be enough for most applications, since it's three times more powerful than a standard antenna.

For this compact DIY Wi-Fi antenna, you'll need a 12cm x 12cm sheet of brass, a semi-rigid coaxial cable an SMA connector at the end (you can get them at eBay), some 1-1/ square millimeter wire and an old tupperware container. You'll also need some wire cutters, glue, and a soldering iron.

This is a great, sturdy, strong and reliable do-it-yourself WiFi antenna that picks up a great signal!

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-1
trailblazer21gtx (-1) 7/21/09 12:53 PM
This is fooking genius!
+1
pthorn91 8/13/09 2:56 PM
how was the measurement decided for 32mm per leg?
can this be shortened to take this antenna down from 2400 Mhz to 1900 Mhz?
+1
sidans 8/26/09 6:07 AM
here is the calculation
+1
sidans 8/26/09 6:26 AM
c= speed of light , f= frequency , L= wavelength
L=c/f ==>> L=30,000,000,000 / 2400000000
L=12.5 cm or 125 mm
1/4 * L = 1/4 * 125 = 32 mm
-2
hctim89 (-3) 4/17/10 11:49 AM
might sound dumb but how do you then connect the device to your computer to actually get the improvement?
+1
traderggl 9/22/09 2:58 PM
Since its not actually stated - you solder the outer of the semi ridged coax to the brass plate. Also - I'm assuming brass was chosen since you /can/ solder it - instead of eg aluminum - so I assume tinplate would work also. Minor but important points ;-)
+1
wehtam22 10/8/09 12:04 AM
its probably said in the vid and i couldnt really see cause the brass was too reflective but do you solder the middle of the 32mm wire to the inside or the outside of the coax cable?
+1
chobitoatsuke 11/3/09 8:05 PM
waaaa!! this is what i need!! do u have a written instruction for this?
+1
placasse47 11/24/09 5:25 PM
Wher can I get more details on the construction of such antenna ?
+1
comhippy (-1) 1/3/10 1:47 PM
Awesome video!
A+
+1
dong6241 1/25/10 2:03 PM
i want to try this so badly but im afraid that i might mess this up and waste my money
+1
spaceddoggy 3/11/10 10:23 AM
where can i find the video for the bigger ultra high gain antenna mentioned in this video?
-1
hctim89 (-3) 4/9/10 10:33 AM
might sound dumb but how do you then connect the device to your computer to actually get the improvement?
+1
MichaelHofmann 11/16/10 12:33 PM
Where do you get the square wire and brass plate from?!
+1
Juna Karen 3/24/12 8:56 AM
The center of the double square has 2 open ends thats soldered to the center '' copper '' part of the semi - rigid cable right? and the other part is soldered to what the insulated part of the wire? The outside of the semi-rigid, Can you show a close up picture of how the double square is solder to the semi rigid? or could you email me the picture?
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