root@erik:~# iwconfig
lo        no wireless extensions.

eth0      no wireless extensions.

sit0      no wireless extensions.

wlan0     IEEE 802.11g  ESSID:off/any
          Mode:Managed  Frequency:2.462 GHz  Access Point: Not-Associated
          Bit Rate:2 Mb/s   Tx-Power:32 dBm
          RTS thr:2347 B   Fragment thr:2346 B
          Encryption key:7363-686E-7562-6265-6C73-3132-33   Security mode:open
          Power Management:off
          Link Quality:0  Signal level:0  Noise level:0
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

root@erik:~# lshw -C network
  *-network
       description: Ethernet interface
       product: 82801CAM (ICH3) PRO/100 VE (LOM) Ethernet Controller
       vendor: Intel Corporation
       physical id: 8
       bus info: pci@01:08.0
       logical name: eth0
       version: 41
       serial: 00:00:e2:64:e4:f5
       size: 100MB/s
       capacity: 100MB/s
       width: 32 bits
       clock: 33MHz
       capabilities: bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegociation
       configuration: autonegociation=on broadcast=yes driver=e100 driverversion=3.4.14-k4-NAPI duplex=full firmware=N/A ip=192.168.2.131 link=yes multicast=yes port=MII speed=100MB/s
       resources: iomemory:80101000-80101fff ioport:7000-703f irq:11
  *-network
       description: Wireless interface
       physical id: 2
       logical name: wlan0
       serial: 00:c0:49:55:10:12
       capabilities: ethernet physical wireless
       configuration: broadcast=yes ip=192.168.2.131 link=no multicast=yes wireless=IEEE 802.11g
root@erik:~# iwlist wlan0 scan
wlan0     Scan completed :
          Cell 01 - Address: 00:C0:49:54:7E:4E
                    ESSID:"USR5462"
                    Protocol:IEEE 802.11g
                    Mode:Managed
                    Frequency:2.462 GHz (Channel 11)
                    Quality:0/100  Signal level:-64 dBm  Noise level:-256 dBm
                    Encryption key:on
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
                              9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
                              48 Mb/s; 54 Mb/s
                    Extra:bcn_int=100
                    Extra:atim=1

root@erik:~#