Jammers become more and more complex
Mobile jammers have emerged and become more and more complex. Some look like mobile phones, some look formal. Users can prepare a "quiet room" within a range of tens of meters to hundreds of meters. 4G jammers are not a new technology, but in recent years, the demand for jammers in the United States has been steadily increasing, and thousands of cell phone jammer are imported to the United States from overseas every month. According to reports, the complaint involved cafes, barber shops, movie theaters and hotel owners, speakers, bus drivers, and even more bus passengers. Many users dislike the aforementioned car users who want to be quiet. Whether it is commercial organizations, schools, hospitals, banks, or even police departments, the demand for mobile jammers is growing, and as more and more things are to be done, the demand is also increasing. It is said that an American company invented a device that interferes with the operation of the camera. Who do you spend the m