The output of the command:
says that the b43 driver is not being loaded on your machine. If it detects a wireless card the fedora kernel should load any relevant drivers.
In the case of my 4318 it certainly did. Until we get that loading it won't work.
Did you by any chance blacklist the b43 driver at any time? It can be one of the steps to get ndiswrapper working with a broadcom card.
Alternatively can you run:
and post back the parts that relate to 'network' and 'ethernet'.