> As a side note, confirming no connections with cell towers is not “fairly easy to verify” It's fairly easy by comparison with more detailed questions about c

> As a side note, confirming no connections with cell towers is not “fairly easy to verify” It's fairly easy by comparison with more detailed questions about cellular traffic like "is this bit of specific data being sent to a cell tower". It does require some RF test equipment and the know-how to use it, but no specialized knowledge beyond that -- in other words, the sort of thing a company selling a RF-blocking device should have access to.