With some open-source software, some hardware, and a lot of handiwork, you can make your own WAP.

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The Soekris 4521 uses an AMD ElanSC520 processor with 16 to 64MB of SDRAM. It has a pair of 10/100 Ethernet ports (RJ-45), one serial port (DB9), a mini-PCI type III socket, and a CompactFlash type I/II socket. The board uses 10 watts of power and runs on 7 to 56 volts DC. Power-over Ethernet is provided using the 802.3af standard.

The boards are widely used by researchers and hobbyists around the world, and they have proven to be very dependable.

Bill of materials
  • One Soekris 4521-30 with case and 64MB RAM or Soekris 4511, $235 (part no. 10452131)
  • One kit with PCMCIA card, MMCX-RP-TNC pigtail, and rubber duck antenna, $114 (part no. KIT-EXT1-5-SOEKRIS)
  • One SanDisk CompactFlash Card (32 or 64MB), about $30
  • M0m0wall image for the Net45XX


Tools
  • Phillips screwdriver
  • USB CompactFlash reader
  • Computer running UNIX or Windows NT/2000/XP with a USB port
  • Female DB9 to Female DB9 null modem serial cable


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