The device might be legally obtainable but using it in a way that affects the public (which includes the students) is a serious crime anywhere in EU. I'd guess it's the same in the US.
I'm prompted to remind you of this part of the site's guidelines :
> Throwaway accounts are ok for sensitive information, but please don't create accounts routinely. HN is a community—users should have an identity that others can relate to.
What's prompted me to remind you is that I've observed this 'throwaway' account commenting quite combatively throughout this thread, which makes me think you've created the account to 'give you the freedom' do just that. Which is against the culture here.
> Throwaway accounts are ok for sensitive information, but please don't create accounts routinely. HN is a community—users should have an identity that others can relate to.
https://news.ycombinator.com/newsguidelines.html
What's prompted me to remind you is that I've observed this 'throwaway' account commenting quite combatively throughout this thread, which makes me think you've created the account to 'give you the freedom' do just that. Which is against the culture here.