In addition to all of the AirPcap functionality, AirPcap Tx supports the ability to transmit raw 802.11 frames on your network. This capability makes AirPcap Tx an invaluable aid in assessing the security of your wireless network. Some examples of security auditing using AirPcap Tx made by Phil Wiffen, an employee of Crownhill, are available on his website here: Cracking WEP with aircrack-ptw in Windows with AirPcap and Cain Cracking WEP with AirPcap and Cain and Abel Plus check out the newly added forum, for help and tips on wep cracking click here