Buy the same wireless card I use here: http://ebay.to/1wfFAkk Alfa Networks AWUSO36H, NH, or NHA
Full verbal step by step tutorial on how to crack WEP encrypted passwords using aircrack-ng suit on Kali Linux.
If you are using VMware, Virtual box, or any Virtual application you will need to use an external USB WIFI card capable of packet injection. The WIFI card I use with and without my VMware is listed bellow.
My Wireless card: Alfa Networks AWUSO36NHA
you can buy this card online for around $25
آی-ویدئو