Wi-Fi

Hardware
TP-Link TL-WN722N v2/v3
Chipset: TP-Link TL-WN722N v2/v3 [Realtek RTL8188EUS].
Check kernel version:
Install kernel headers:
Build drivers from source and install:
Test for packet injections:
Alfa AWUS036ACH AC1200
Chipset: Realtek Semiconductor Corp. RTL8812AU 802.11a/b/g/n/ac 2T2R DB WLAN Adapter.
Install drivers with apt:
Or build from source and install:
Test for packet injections:
Prologue
Install stuff:
Make sure lsusb can see the wireless adapters (it would show the chipset):
Make sure iwconfig can see the wireless adapter:
Turn on monitor mode manually:
Undo:
Or create a separate virtual interface in monitor mode:
Undo:
Or do it with airmon-ng:
In fact, that does not need to be done as airodump-ng can put the wireless card into monitor mode automatically:
Make sure, you're not using the default MAC:
Restart NM when there are troubles with Internet connection:
Misc
WLAN channels

Signal Strength
Last updated