As of now, we will go with the default options. On the Sniffer window pop-up, you will see Channels and Channel Width option.

Alternatively, you can also do the same by clicking on the Window menu on the toolbar and click on “Sniffer”. Once you have the Wireless Diagnostics tool launched, hit ⌘ +⌥ +6 to launch the Sniffer window. To do that, run the Wireless Diagnostics tool from the Spotlight search.Īlternatively, you can click the Wi-fi icon in the toolbar while holding down the option key, and select Open Wireless Diagnostics from the drop-down menu. However, the process is a bit tedious so we will go the GUI way. macOSįor macOS, you can check for the Wi-Fi card’s monitor mode via the terminal using the tcpdump tool. Whilst, if packets are being successfully captured, it means that your Wi-Fi card supports monitor mode.Īlternatively, you can also do the same using the Wireshark network monitoring tool.ĭownload Microsoft Network Monitor 2. In case you get an error popping up, it means your Wi-Fi card doesn’t support monitor mode. Post the setup, click on the “Start” button to start capturing the packets. This is to ensure that the Wi-Fi card only listens to network traffic. On the settings dialogue box, uncheck everything else apart from Wi-Fi and click on the Close button. To do that, click on the “Capture Settings” option on the top toolbar. On the New Capture tab, we want only the Wi-Fi card to listen to the packets. Next, launch the app and on the Start page, click on “New Capture”. Once done, you need to reboot the system for the tool to detect the network cards.

However, it is fully compatible to run on Windows 10 machine.ĭownload and install the MS Network Monitor tool. It’s an official tool developed by Microsoft but currently is in the archival state. Hence, we would need to resort to a tool called Microsoft Network Monitor. In Windows, there is no direct command to check or turn on monitor mode on your Wi-Fi Card. Check If Wireless Adapter Supports Monitor Mode 1. On that note, here is how to check your WiFi card supports monitor mode on Windows, Ubuntu, and macOS. But, before you rush in and spend 30$ on a Wi-Fi USB adapter, just check whether the existing one supports monitor mode. Generally, the monitor mode is disabled on the built-in Wi-Fi card provided by the desktop or laptop manufacturer. If you are getting started in packet analysis and penetration testing, the most important step is to determine whether your Wi-Fi card supports promiscuous or monitor mode.

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