This page is deprecated. It is being left here for reference and for anyone requiring a Python 2 setup.

In mid 2018, Nordic release new Bluetooth LE sniffer firmware - this firmware works way better with Wireshark.

As of August 2018 we are only selling Sniffers pre-prorgrammed with Firmware version 2

If you have a firmware V1 (packaging doesn't say firmware V2,  or you bought before August 2018) see the previous sections!

Nordic User Manual

You can grab the 'official' user manual from Nordic at we include a mirror of the v2.1 instructions below

nRF Sniffer V2 Multi-Target Application

When downloading the desktop/Wireshark Sniffer tool, make sure to download BETA 1, which matches the firmware image below. You can select this version via the drop down selector shown below:

For convenience sake, the extcap folder contents for BETA 1 are also available for download here using the button below. See the user guide on how to install this in the correct location for Wireshark.

V2 Firmware

You need a J-Link or other SWD programming jig in order to install/change the sniffer firmware!

If by chance you have an nRF51822 board you want to load the firmware on, here's a hex that does not require the 32khz crystal (but does require the 16 mhz crystal)

This firmware is from the nrf_sniffer_2.0.0-beta-1_51296aa package

Again, we don't have a guide or tutorial on loading the firmware onto an nRF51. We don't have the original source code, that hex is from Nordic and they only release hex files

This guide was first published on Nov 19, 2014. It was last updated on Mar 08, 2024.

This page (Using with Sniffer V2 (old)) was last updated on Mar 08, 2024.

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