is a networking card necessary?

[acctingman]

is there a free software program that can take the place of a network card for a wireless setup?

 

[MagnusTheBrewer]

No, you must have a nic.

 

[imagoon]

Can't do anything without layer 1.

 

[mv2devnull]

What do you mean by "network card"?

Wireless is essentially a radio. You do need hardware in order to do radio communication.

 

[Red Squirrel]

That's like putting jet fuel in a car and asking if you need a jet engine and wings for it to fly.