Hi Cbus,
There are 3 types of wireless card shipped with this system model. Here are the part no's along with the card name:
D006W: WLAN 1502 Half Mini-Card, 802.11 b/g/n
FJJTN: WLAN 1702 Half Mini-Card, 802.11 b/g/n + BlueTooth 3.0
XXG96: Intel Centrino Advanced Wireless-N6230 Half Mini-Card, 802.11 a/b/g/n + BlueTooth 3.0
You can check the system configuration. click here -> type the service tag of the computer -> click on System Configuration -> Current Configuration -> Analyze System to check the details of your computer.
You can check which card was shipped with you computer.
Please reply if you have any questions.