Phone signal jammers are mainly aimed at various places where the use of mobile phones is prohibited, such as various examination rooms, schools, gas stations, churches, courts, libraries, conference centers, theaters, hospitals, government, finance, prisons, public security, and military centers.
Read MoreWith the continuous update and development of GPS satellite navigation and positioning, it also brings corresponding troubles to the majority of users, so some companies have developed "GPS signal jammers." The product has a wide range of applications, suitable for long-distance bus drivers and some......
Read MoreThe phone signal jammer is a fixed signal jammer to prevent a place from phone signals, wifi signals and other specific signals as customer required. In that place, phone can not receive or transmit the messages or calls, wifi network will also be out of work.
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