Open-source GSM network demonstrated at Dutch hacker convention

Posted on Tuesday, Aug 18 2009 @ 05:03 CEST by Thomas De Maesschalck
Slashdot reports an open-source camp-wide GSM network was operated at HAR2009, a Dutch hacker conference. The network uses two 100mW antennas, SMS was used for authentication and on the second day of the event a total of 391 users had subscribed to the network.
Photographs and a description and of the setup, run under license of the Dutch regulatory authority, are provided; essentially the setup consisted of a pair of BTS' (Base Transceiver Stations) running at 100mW transmit power each and tied to a tree. In turn these provided access to the Base Station Controller (BSC), in this case a Linux server in a tent running OpenBSC. The system authenticated users with a token sent via SMS; in total 391 users subscribed to the service and were able to use their phones as if they were on any other network.
More info and photos over here.

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Thomas De Maesschalck

Thomas has been messing with computer since early childhood and firmly believes the Internet is the best thing since sliced bread. Enjoys playing with new tech, is fascinated by science, and passionate about financial markets. When not behind a computer, he can be found with running shoes on or lifting heavy weights in the weight room.

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