Broadcom BCM4321

This is a wireless card used by alot of laptop manufactures. This is usually an internal wireless card. It is a mini pci network card. It will be incorrectly identified when using lshw or lspci as a BCM4328. The b43 driver will not work for the card so its necessary to use drivers directly from broadcom. They provide 32 and 64bit drivers that need to be compiled into a kernel module. You can find the driver on the following site

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