From the Article (the actual notice): https://apps.fcc.gov/edocs_public/attachmatch/DOC-349258A1.pdf https://apps.fcc.gov/edocs_public/attachmatch/DOC-349258A1.

From the Article (the actual notice): https://apps.fcc.gov/edocs_public/attachmatch/DOC-349258A1.pdf https://apps.fcc.gov/edocs_public/attachmatch/DOC-349258A1.p... They identified the device, and the service impairment stopped when he shut it off.. "On November 30, 2017, in response to the complaint agents from the Enforcement Bureau’s New York Office confirmed by direction finding techniques that radio emissions in the 700 MHz band were emanating from your residence in Brooklyn, New York. When the interfering device was turned off the interference ceased. You identified the device as an Antminer s5 Bitcoin Miner. The device was generating spurious emissions on frequencies assigned to T-Mobile’s broadband network and causing harmful interference."