462 sats \ 0 replies \ @TonyGiorgio 26 Apr 2023 \ parent \ on: LTESniffer: An open-source LTE downlink/uplink eavesdropper [pdf] tech
Definitely an improvement with the above steps. Probably best to rotate sim cards too even if you're doing all of that.
Hot spots can be about the size of a phone so it's just like carrying in your bag or a 2nd phone in your pocket, then you never have that problem.