Fedora 15 on Acer Aspire 5742 : Wireless Broadcom BCM43225 802.11b/g/n

$ lspci | grep -i broadcom
01:00.0 Ethernet controller: Broadcom Corporation NetLink BCM57780 Gigabit Ethernet PCIe (rev 01)
02:00.0 Network controller: Broadcom Corporation BCM43225 802.11b/g/n (rev 01)

$ uname -a
Linux aspire.localdomain 2.6.38.8-35.fc15.x86_64 #1 SMP Wed Jul 6 13:58:54 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux

Go to http://rpmfusion.org/ and search for broadcom-wl and kmod-wl.
Downloads RPMs and install.

# rpm -ivh broadcom-wl-5.60.48.36-1.fc13.noarch
# rpm -ivh kmod-wl-5.60.48.36-2.fc15.1.x86_64
# rpm -ivh kmod-wl-2.6.38.8-35.fc15.x86_64-5.60.48.36-2.fc15.5.x86_64

# /sbin/reboot

$ rpm -qa | grep kmod
kmod-wl-2.6.38.6-26.rc1.fc15.x86_64-5.60.48.36-2.fc15.1.x86_64
kmod-wl-2.6.38.8-35.fc15.x86_64-5.60.48.36-2.fc15.5.x86_64
kmod-wl-5.60.48.36-2.fc15.1.x86_64

$ iwconfig
eth0      IEEE 802.11  Nickname:""
          Access Point: Not-Associated  
          Link Quality:5  Signal level:209  Noise level:160
          Rx invalid nwid:0  invalid crypt:0  invalid misc:0