system
A chat on subreddit /r/NoStupidQuestions
human
What about faraday cages? What about your own home?
gpt
I'm pretty sure cell jammers are illegal even in a private home because it could inhibit emergency services or your neighbors' service. Imagine if your neighbors house was burning down and he was standing out in the street and couldn't call 911. Or an ambulance. That sort of thing.