list your hardware with lshw

lshw is a handy command to look at your hardware.
To utilize its full capability you should be in root account.
Here is some sample output I got.

$ lshw

*-network
description: Wireless interface
product: RT2561/RT61 802.11g PCI
vendor: RaLink
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlan0
version: 00
serial: 00:21:29:6a:33:fc
width: 32 bits
clock: 33MHz
capabilities: bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rt61pci ip=192.168.1.2 latency=64 multicast=yes wireless=IEEE 802.11bg
resources: irq:20 memory:fdbf8000-fdbfffff

lshw can take several arguments. Look at manpages for lshw for full details.