What are the different types of signal jammers? What are the main uses?

It is highly inappropriate to use mobile phones in specific places such as schools, examination halls, meeting rooms, and prisons. To address this problem, cell phone signal jammers have been developed to block mobile phone signals in specific locations. By blocking Wi-Fi and GPS signals, these jammers effectively prevent individuals from accessing mobile phone signals and Internet connections, thereby preventing mobile phone use and achieving the desired effect.

1.Handheld signal jammers:

Handheld signal jammers are usually equipped with a car holder, a car charger, and a direct charging head. These jammers are designed with a built-in battery and can be used for up to 4 hours after a full charge. These jammers are specially developed to address the mobile communications field in Japan, with excellent value for money, excellent performance, and first-class parameter standards, while being easy to use. They are particularly suitable for use in vehicles and long-distance fleets. This type of jammer can block multiple signals such as GPS, 2G, 3G, 4G, Wi-Fi, etc., prevent satellite signal positioning, interrupt communication connections with base stations, and do not interfere with other electronic devices. It is widely used in vehicles and long-distance fleets to block and interfere with positioning signals.

2.Desktop signal jammer (high-power jammer):

Desktop signal jammers are mainly used for important exams such as the national college entrance examination, adult college entrance examination, self-study examination, various university examinations, junior high school, industrial junior high school, vocational high school examinations, etc., to solve the problems of students using mobile phones to surf the Internet, play games, send text messages, watch videos, etc. during the examination, and avoid adverse consequences in the examination. This type of jammer is developed for the needs of Japan’s mobile communication environment, with high cost performance, excellent performance, high parameter standards, and easy to use. It is especially suitable for large-scale examinations such as college entrance examinations, adult examinations, postgraduate examinations, and professional certification examinations.

3.Vehicle signal jammer:

Vehicle signal jammers are used to shield GPS signals over a large area, prevent the reception of satellite signal positioning and normal communication with base stations, do not interfere with or prevent the use of other electronic equipment, and are widely used in vehicles and long-distance fleets to shield or interfere with positioning signals. It is mainly suitable for RVs and long-distance vehicles, and can be conveniently charged using the cigarette lighter interface. This jammer is specially developed for the field of mobile communications in Japan, with high cost performance, excellent performance, first-class parameters, and easy use. It is especially suitable for vehicles and long-distance fleets.

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