HOME ANTENNAS CPU DESIGN CONTACT
The Porcupine's electronics are based on off-the-shelf components. Rather than contrive a method of attaching sixteen radios to a single computer, each radio/antenna pair has its own computer (CPU, RAM, IO). These single board computers are each equipped with a 133Mhz 386 architecture CPU, 64 megabytes of main memory, 10/100 Ethernet, and a PCI interface. Each CPU net-boots Linux from its master console, which is connected via an Ethernet switch contained in the Porcupine's base. The single board computers run a modified version of Kismet's probe agent, as well as other utilities developed by the lab. The radio is the off-the-shelf version of Netgear's standard 802.11B PCI radio card.

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Last updated: 27th September 2004
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