Chipset is unknown with my belkin n150

[FourDimensional]

First of all, do i need to be connected to a network with the same wireless card i'm using because ff i don't connect to a network with my wireless card it shows nothing under interface chipset and driver

airmon-ng

Interface Chipset Driver
wlan0 unkown ra712u

If i don't connect to a network with my wireless card it shows nothing under interface chipset and driver

- Backtrack version: Workstation 6.5-7.x virtual machine
- OS: Ubuntu 64-bit
- Backtrack installation: VM

[webpage1111]

I was having the same problem did you ever happen to figure out what was wrong?