~upd~ Download Alfa Network 80211n Driver Patched

(Realtek 8812AU) - Requires manual patching for monitor mode. Step-by-Step: How to Download and Install (Linux/Kali)

(most common Alfa 802.11n cards):

For the old 802.11n/g Alfa cards:

Once you have downloaded the driver, follow these steps to install it: download alfa network 80211n driver patched