Wireless Help

I have an Acer 5002 WLMI laptop, and I am trying to get the wireless working. I have already installed ndis ndiswrapper-1.1-4 km_ndiswrapper-1.1-4 I am not too sure what I should do next. lspvi -v shows this about my card. 0000:00:0b.0 Network controller: Broadcom Corporation: Unknown device 4318 (rev 02) Subsystem: AMBIT Microsystem Corp.: Unknown device 0312 Flags: fast devsel, IRQ 4 Memory at e2000000 (32-bit, non-prefetchable) [size=8K] can someone please help? TIA