Signal jammers are the kinds of things that you might not expect to end up seeing all that often at any given point in time, but they can be used in quite a few situations in some way, shape or form. A big part of the reason what that is the case has to do with the fact that some parts of the world are going to require a lack of phone usage, and one really major example that we can think of right now would involve libraries and the like.
You see, libraries have always been places where you can end up figuring out a lot of the information that you would require. They contain a lot of books, but if people are using their phones all the time then this can result in a situation wherein it can be difficult for those that actually want to read to be able to get the knowledge that they might be looking for. Using some kind of a bloqueador de senal celular can help make it easier for such people to read in peace since people are no longer going to be able to use their phones at all.
You might think that being able to use your cellphone is some kind of fundamental right, and you would be correct in assuming this for the most part. After all, cellphones are necessary in a lot of ways. That said, when you are in a library your focus should be on books rather than anything else, and making sure that your libraries have a number of signal jammers can be a great way to maximize the experience of people that are there for the books rather than anything else.