Broadcom sta is a binary-only device driver to support the following ieee 802.11a/b/g/n wireless network cards: bcm4311-, bcm4312-, bcm4313-, bcm4321-, bcm4322-, bcm43142-, bcm43224-, bcm43225-, bcm43227-, bcm43228-, bcm4331-, bcm4360-, and bcm4352-based hardware.

this package contains the common files and it should not be installed manually (it will be installed automatically as needed).