# dmesg:
iwlwifi: Intel(R) Wireless WiFi Link AGN driver for Linux, in-tree:
iwlwifi 0000:03:00.0: Detected Intel(R) WiFi Link 5100 AGN, REV=0x54

# lspci |grep Wi
03:00.0 Network controller: Intel Corporation PRO/Wireless 5100 AGN [Shiloh] Network Connection

# iwconfig wlan0
wlan0     IEEE 802.11abgn  ESSID:off/any
          Mode:Managed  Access Point: Not-Associated   Tx-Power=15 dBm
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off

# uname -a
Linux gbox 3.5.7-gentoo #1 SMP PREEMPT Wed Oct 24 01:03:52 MSK 2012 x86_64 Intel(R) Core(TM)2 Duo CPU P9400 @ 2.40GHz GenuineIntel GNU/Linux

# ifconfig wlan0
wlan0     Link encap:Ethernet  HWaddr 00:24:d6:58:bb:e2
          inet6 addr: fe80::224:d6ff:fe58:bbe2/64 Scope:Link
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:13203 errors:0 dropped:0 overruns:0 frame:0
          TX packets:12388 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:12185018 (11.6 MiB)  TX bytes:10093499 (9.6 MiB)