Questions about if a certain Wifi adapter is compatible with the Aircrack-ng suite or what Wifi card is capable of packet injection and operating monitoring mode are commonly asked at discussion boards and social media. A Wifi adapter that is capable of packet injection and monitoring mode is trivial and important functionality to be successful in Wifi hacking.
Wireless packet injection is spoofing packets on a network to appear as if they are part of the regular network communication stream. Packet injection allows to intercept, disrupt and manipulate network communication.
|Wifi Adapter Packet Injection Test 2016|
An example of this is sending an authentication message from an unknown party outside the network to a connected client as if it was sent to the wireless router. This will result in the client disconnecting from the router.
Monitoring mode is one of the six modes a Wifi card can operate in which allows you to capture network packets without having to associate with the access point. If you are looking to buy a Wifi card which is capable of packet injection using the Aircrack-NG suite you can have a look at the following list of supported Wifi adapters: