Knowledge: mobile phone jammer in some countries is within the exclusive tool, most people can not be used, is that legal constraints and security constraints. Only some institutions have the right to use.
Signal blocker in public places is illegal. However, if there are government documents permitting you can use.
Teachers in the school have the right to use Signal Jammer, so we can not use the phone when the class, this is too make people mad.
As the largest cellphone jamming Factory, we provide full range of equipment and services.
Phone signal is not really the radiation, I think cell phone signal jammer can give you the answer, you try to know, huh.
Swiss luxury watches as an outstanding international brand, with centuries of tradition, it is an excellent model, excellent representatives.