https://devzone.nordicsemi.com/f/nordic-q-a/74178/setup-issue-for-nrf52840-dongle-for-ble-sniffingHi all, I&#39;m trying to set up my nRF52840 Dongle as a BLE Sniffer. I&#39;ve followed the setup instructions from &quot;nRF Sniffer for Bluetooth LE-- User Guide&quot; v3.2, and I&#39;m using the following environment: OS: Windows 10 Wireshark Version: 3.4.4 Pythonen-USTelligent Community 13Tue, 20 Apr 2021 06:40:47 GMThttps://devzone.nordicsemi.com/thread/305703?ContentTypeID=1Tue, 20 Apr 2021 06:40:47 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9a9e6b6d-6b7f-45ef-aecb-712e62ef149eAmanda Hsieh<p>Please check the installed path of the&nbsp;<span>serial module is added to the environment variables.&nbsp;</span></p> <p><span>-Amanda H.</span></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/305649?ContentTypeID=1Mon, 19 Apr 2021 18:50:29 GMT137ad170-7792-4731-bb38-c0d22fbe4515:efce4c6f-5040-4237-8671-171905fab429AJH<p>Update: I changed the text in the requirements.txt file to pyserial == 3.4 (instead of pyserial &gt;= 3.4), and now I get the expected outcome when I run&nbsp;<span><em>python &quot;C:\Program Files\Wireshark\extcap\nrf_sniffer_ble.py&quot; --extcap-interfaces </em>in my command prompt... however, I&#39;m still getting the&nbsp;&quot;ModuleNotFoundError: No Module named &#39;serial&#39;&quot; error when I run&nbsp;<em>nrf_sniffer_ble.bat --extcap-interfaces</em></span></p> <p><span>It may also be relevant that I&#39;m using Anaconda as my Python package manager.</span></p><div style="clear:both;"></div>