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Broadcom Wireless Tutorial


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Broadcom Wireless Tutorial




Kext Used

The kext used for this tutorial is the IO80211Family.kext. This kext needs to be put into /System/Library/Extensions/ if it is not already there.


Entering your device ID

  • Make a backup of IO80211Family.kext
  • Edit the .plist file

cd /System/Library/Extensions


sudo nano /IO80211Family.kext/Contents/PlugIns/AppleAirPortBrcm4311.kext/Contents/Info.plist

  • Once editing the plist navigate to the area where you see




  • Add a line with dev id (in place of XXXX)



Setting Permissions

  • Type these commands into terminal

sudo chown -R root:wheel /System/Library/Extensions


kextcache -k /System/Library/Extensions


Final touches (Optional)

  • edit the interface config in order to use the airport utility instead of istumbler.

sudo nano /Library/Preferences/SystemConfiguration/NetworkInterfaces.plist
  • swap the en0 with en1 for that device.
  • Run disk util and repair perms
  • Please note that you may need to change the number to en2 if you have 2 onbaord pci lan cards.

Sometimes your network card is already configured as an airport device and you do not need to swap the en #

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