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|This is our antenna, you can build many different shapes...||This is our antenna, you can build many different shapes... see http://www.wlan.org.uk for a list of projects|
Autonomous wireless networking
a PC equipped with PCI wifi card and handmade antenna under the roof of our hackers
This HOWTO doesn't go into technical detail, if you are new to soldering and cutting metal we recommend to team up with an experienced friend before engaging this funny adventure
Also this HOWTO doesn't go into detail, instead tries to link and reference more detailed information sources that you can follow; our focus here is to inspire.
To connect the antenna to the computer we need a WIFI card. The one shown here was found at the price of 18 EU in a shop in Amsterdam.
It is a PCI card to be inserted in the slot inside the computer.
Beyond the branded name and smiling face this card mounts an Atheros chip which is well supported by the MadWifi drivers.
The wire coming out is a modification: the shop sells it with a short antenna connected, while we need a bigger one for better signal.
Soldering this cable requires some skills, with the help of a few tools. If you never did it, a talented patient friend might teach you how to do it.
On the other side of the cable the connector goes to an antenna which in this case was self built with recycled metal:
The back of the antenna is the plug connected into this metal plate
On the other side the antenna spreads into romboids
This is our antenna, you can build many different shapes... see http://www.wlan.org.uk for a list of projects
Once the connection antenna -> card -> computer is completed, boot from live CD or install the back|track operating system which comes ready with network tools and wireless card drivers.
Installed in the [http://backtrack.org Backtrack operating system] you will find the aironet software which can also help to enter encrypted networks.
Suggestions to autonomous wireless network developers:
Be tollerant and ospital in sharing connectivity: everyone needs it.
And If you have no other way to get online, dare to crack a WEP key.
We should all be online, really ;^)
big up to:
- fruity, piotta and ganja for this antenna hack
- xaver, fructi and janki - funkfeuer
- harirama - anc
- elektra - CCC
and all the other roof hoppers not mentioned here...
happy hacking -jrml