I would like anti-beamforming so I can create a wifi shadow and mess with people on my network.

https://ans.unibs.it/projects/csi-murder/ enabled by https://github.com/open-sdr/openwifi Both partially funded by EU's Horizon2020 program.

Openwifi talk at FOSDEM 2020 https://www.youtube.com/watch?v=8q5nHUWP43U