Update Recommended_Adapters_for_Kali_Linux.md

Author: morrownr

home/Recommended_Adapters_for_Kali_Linux.md

@@ -1,4 +1,4 @@
-2025-10-11
+2025-12-14
 
 Maintained by @morrownr
 
@@ -15,6 +15,25 @@ reasonable prices.
 Note: The adapter that best meets your needs can depend on exactly what
 you plan to do so asking questions is a good idea.
 
+VERY IMPORTANT: All information in this document concerns the in-kernel,
+mac80211, Linux drivers as are available in the Linux kernel in the
+various series of driver known as mt76, rtw88 and rtw89. The old,
+depreciated Realtek out-of-kernel drivers have never done a good
+job with monitor mode and will not be considered in this document. Here
+is a short rundown of some of the monitor mode features in the mentioned
+series of drivers:
+
+mt76 - support monitor mode, packet injection, active monitor mode
+(2025-12-14 - monitor mode is current brokden in the mt7921u driver
+as of kernel 6.18 and possibly some earlier kernels), VIF and other
+capabilities that I am aware of that monitor mode users would need.
+
+rtw88 - support monitor mode and packet injection. Do not support
+active monitor mode or VIF.
+
+rtw88 - support monitor mode, packet injection and VIF. Do not support
+active monitor mode.
+
 Note: Specific Realtek WiFi 5 based adapters are being added to this
 list. The addition of these Realtek adapters is based on the use of the
 new, MODERN, mac80211, drivers that are in the Linux kernel as the rtw88