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        <title>DragonOS FocalX Sniff and Transmit ZigBee w/ HackRF + B205 (GNURadio, SDRAngel)</title>
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        <description>Here's a way to sniff/capture ZigBee packets w/ a hackRF + GNU Radio while viewing the packets in WireShark. DragonOS FocalX has pretty much everything you need included, with the exception of a flow graph I grabbed that adds the use of GR-RFTap. There's one thing in the video that can be done differently that I learned about after recording (Thanks viperbjk). You do not need to link the LQI to qual block directly to the RFtap Encapsulation. Instead, just open up the PDU Set that I disabled and change the Key to this pmt.to_pmt("value"). Leave the block enabled. This should then get the link quality indicator working. I used this fork of GR-RFtap for DragonOS https://github.com/bkerler/gr-rftap You can read more about RFTap and the LQI block in the ZigBee example (bottom of the page) https://rftap.github.io Along with this updated flow graph https://github.com/bkerler/GnuRadio-Wireshark-Example SDRAngel is used later on in the video to modulate and transmit a 802.15.4 packet with a B205mini that's captured by the hackRF. https://github.com/f4exb/sdrangel More on GR-ieee802-15-4 https://github.com/bastibl/gr-ieee802-15-4/tree/maint-3.10 If you're wondering about the Bad FCS like I was, here's an old discussion that seems to be on the topic. https://github.com/riverloopsec/killerbee/issues/192 If you find this video helpful, please consider the following Follow @cemaxecuter on Twitter for more DragonOS and SDR info. Become a patron @ https://www.patreon.com/cemaxecuter</description>
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