1 - COLLECTING INFOS
Plug the wl-140 adaptor to the Mac and open “System Profiler” . On the left side, in Hardware, clic on USB and select “USB Device”, that's our antenna seen as an unknow device.
Note the Version, in this case it's 1.32. Note the Product ID and the Vendor ID too. They are respectively 0x3300 and 0x2821. Convert these values from hexadecimal to decimal. You can use the freeware Haxor to do that. Thus, we get: 3300 -> 13056 for Product ID 2821 -> 10273 for Vendor ID These 3 parameters will be useful in step 4.
 
Now we have to install the D-Link driver.