Hey, guys. Recently, our school will invite a famous person to give a speech. But I'm worried about students using mobile phones during their presentations. So I want to buy a wide range of mobile jammers. But don't know where to buy it
Such devices are usually not sold in offline stores. If you need this kind of cell phone signal jammer. You can buy it on shop online. At present, Perfectjammer is more famous. Stores sell all kinds of jamming device. Custom services are also available