Jammers have become an indispensable part of modern life. They can be divided into many different types, including cell phone jammers, 3G jammers, 4G jammers, GSM jammers, GPS jammers, WIFI/Bluetooth jammers, UHF/VHF jammers, Lojack jammers, XM jammers, remote control Jammers and military jammers. Among various shielding machines, mobile phone shielding machines are the most popular shielding machine products and enjoy a large market share. Mobile phone jammers were first used in the military field to prevent the enemy from eavesdropping. Therefore, the application of mobile phone jammers ensures military security and national security. Nowadays, mobile phone jammers, which are widely used in many public areas, have become irreplaceable protectors for public security.
As we know, cell phone jammer is shielding devices that can provide the ultimate solution in areas where mobile phones are often unpopular or even prohibited. They are used to stop signal transmission between mobile phones and cellular base stations. Cell phone jammers block cell phone signals by sending radio waves along the same frequency that the cell phone uses. This can cause shielding between the cell phone and the signal tower. Because the mobile phone jammer can effectively prevent mobile phones in various locations. Mobile phone jammers are widely used. Nowadays, we can see mobile phone shields everywhere, such as factories, meeting rooms, conferences, seminars, libraries, cinemas, religious places, public transportation, concert halls, restaurants and educational institutions.