ifconfig:

wlan0_rename Link encap:Ethernet  HWaddr 00:14:a5:f9:95:53  
          inet adr:192.168.1.20  Bcast:192.168.1.255  Masque:255.255.255.0
          adr inet6: fe80::214:a5ff:fef9:9553/64 Scope:Lien
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          Packets reçus:9605 erreurs:0 :0 overruns:0 frame:0
          TX packets:7878 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 lg file transmission:1000 
          Octets reçus:11857825 (11.3 MB) Octets transmis:1087010 (1.0 MB)


iwconfig:


wlan0_rename  IEEE 802.11g  ESSID:"net22"  
          Mode:Managed  Frequency:2.412 GHz  Access Point: 00:16:B6:D9:01:86   
          Bit Rate=1 Mb/s   Tx-Power=27 dBm   
          Retry min limit:7   RTS thr:off   Fragment thr=2346 B   
          Encryption key:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXx [3]
          Link Quality=75/100  Signal level=-57 dBm  Noise level=-63 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0


# dmesg | grep b43
[   77.604665] b43-phy0: Broadcom 4311 WLAN found
[  136.030067] input: b43-phy0 as /devices/virtual/input/input12
[  137.446689] Registered led device: b43-phy0:tx
[  137.446707] Registered led device: b43-phy0:rx
[  137.446724] Registered led device: b43-phy0:radio


# lsmod | grep b43
b43                   126760  0 
rfkill                 10128  3 rfkill_input,b43
mac80211              192532  1 b43
led_class               7176  1 b43
input_polldev           6928  1 b43
ssb                    37252  2 b43,ohci_hcd


# modinfo ssb && modinfo b43
filename:       /lib/modules/2.6.24-8-generic/kernel/drivers/ssb/ssb.ko
license:        GPL
description:    Sonics Silicon Backplane driver
srcversion:     296CB75C03596C72291230A
alias:          pci:v000014E4d00004325sv*sd*bc*sc*i*
alias:          pci:v000014E4d00004324sv*sd*bc*sc*i*
alias:          pci:v000014E4d00004321sv*sd*bc*sc*i*
alias:          pci:v000014E4d00004320sv*sd*bc*sc*i*
alias:          pci:v000014E4d00004319sv*sd*bc*sc*i*
alias:          pci:v000014E4d00004318sv*sd*bc*sc*i*
alias:          pci:v000014E4d00004312sv*sd*bc*sc*i*
alias:          pci:v000014E4d00004311sv*sd*bc*sc*i*
alias:          pci:v000014E4d00004307sv*sd*bc*sc*i*
alias:          pci:v000014E4d00004301sv*sd*bc*sc*i*
depends:        
vermagic:       2.6.24-8-generic SMP mod_unload 
filename:       /lib/modules/2.6.24-8-generic/kernel/drivers/net/wireless/b43/b43.ko
license:        GPL
author:         Michael Buesch
author:         Stefano Brivio
author:         Martin Langer
description:    Broadcom B43 wireless driver
srcversion:     D291278BDAFD171BF373380
alias:          ssb:v4243id0812rev0A*
alias:          ssb:v4243id0812rev09*
alias:          ssb:v4243id0812rev07*
alias:          ssb:v4243id0812rev06*
alias:          ssb:v4243id0812rev05*
depends:        mac80211,ssb,input-polldev,led-class,rfkill
vermagic:       2.6.24-8-generic SMP mod_unload 
parm:           pio:enable(1) / disable(0) PIO mode (int)
parm:           bad_frames_preempt:enable(1) / disable(0) Bad Frames Preemption (int)
parm:           short_retry:Short-Retry-Limit (0 - 15) (int)
parm:           long_retry:Long-Retry-Limit (0 - 15) (int)
parm:           fwpostfix:Postfix for the .fw files to load. (string)
parm:           hwpctl:Enable hardware-side power control (default off) (int)
parm:           nohwcrypt:Disable hardware encryption. (int)