segue abaixo as informaçoes...
root@Douglas-Ubuntu:/home/douglas# lshw -C network
*-network
description: Ethernet interface
product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:02:00.0
logical name: eth0
version: 01
serial: 00:e0:4c:80:13:49
size: 100Mbit/s
capacity: 100Mbit/s
width: 64 bits
clock: 33MHz
capabilities: pm vpd msi pciexpress bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full ip=192.168.1.2 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
resources: irq:42 ioport:2000(size=256) memory:f4000000-f4000fff memory:f0000000-f001ffff
*-network
description: Wireless interface
physical id: 4
logical name: twifiu0
serial: 00:21:c5:11:65:4f
capabilities: ethernet physical wireless
configuration: broadcast=yes multicast=yes wireless=802.11 g
root@Douglas-Ubuntu:/home/douglas# iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
twifiu0 802.11 g ESSID:"QUALITY" Nickname:""
NWID:off/any Mode:Managed Frequency=2.412 GHz
Access Point: 1C:BD:B9:CA:BA:79 Bit Rate:54 Mb/s
Retry:on RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Link Quality=0/100
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
root@Douglas-Ubuntu:/home/douglas#
acesso via cabo.. okk... e a wireless... e localiza as rede de acessoo.. mas n conecta...