The following is the author's answer to the question of "jammers committing crimes and sentencing". If jammers are used to interfere with normal radio communications, if the circumstances are not serious and do not constitute a crime, the party may be subject to administrative punishment. Order crime sentence. Illegal use of signal blocker device, if the crime constitutes a crime and is sentenced for the crime of disturbing the radio management order, shall be sentenced to fixed-term imprisonment of not more than three years, criminal detention or public surveillance, and shall also or only be sentenced to a fine; and fined.
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Violating state regulations, deliberately using mobile phone jammers to interfere with the normal operation of radio services, or causing harmful interference to normal operating radio stations (stations), and refusing to take effective measures to eliminate them after being pointed out by the relevant competent authorities, shall be punished for more than five days and ten years. If the circumstances are serious, he shall be detained for not less than 10 days but not more than 15 days.
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Violating state regulations, setting up or using radio stations (stations) without authorization, or using phone blocker without authorization, interfering with the order of radio communications, if the circumstances are serious, shall be sentenced to fixed-term imprisonment of not more than three years, criminal detention or public surveillance, and shall also or only be fined; the circumstances are especially serious , shall be sentenced to fixed-term imprisonment of not less than three years but not more than seven years and shall also be fined. If a unit commits the crime mentioned in the preceding paragraph, the unit shall be fined, and the person in charge and other persons directly responsible for it shall be punished in accordance with the provisions of the preceding paragraph.
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Next, let's take a look at the illegal use of jammers. Privately installed mobile phone signal jammer was fined 20,000 yuan. After receiving reports, some people have installed WiFi Bluetooth Jammer in the southeast area of ​​the West Base Station since late January. Users frequently complained about poor communication signal quality and unable to make calls normally. The mobile communication has caused serious interference, and the radio management department is requested to assist in the investigation and file a case for investigation. After accepting the case, the Changsha Radio Management Department immediately organized the Municipal Radio Monitoring Station to conduct electromagnetic environment tests around the complaint area, identified the units involved, preserved evidence, summoned the parties involved in accordance with the law, made on-site investigation records, and seized 4 mobile phone signal jammers. , the unit involved was imposed an administrative penalty of confiscation of equipment and a fine of 20,000 yuan.
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According to foreign media reports, a Chinese company has been fined $34.9 million by the United States for selling drone jamming device. A Florida man and a Chinese company, CTS Technology, have been formally fined $48,000 and $34.9 million respectively by the Federal Communications Commission (FCC) for using a signal jammer to prevent drivers from using cellphones while CTS Technology sold these devices. "In today's mobile world, cellular networks, GPS, and other signal-jamming devices can seriously compromise communications, business operations, and public safety," said FCC official Travis LeBlanc. "Promotion or sale of these devices to the public is illegal and subject to severe penalties."

According to reports, with the rapid rise of mobile phone users, it is almost an "impossible task" to avoid being disturbed by the noise of other people's mobile phones in public places. As a result, the United States began to have a small but rapidly increasing number of "rebels" who began to use a direct means-mobile phone signal jammers to resist this interference.​​

In the United States, the use of jammers is illegal, and the right of cell phone users to use the signal is protected by law. First-time offenders who use jammers can be fined up to $11,000, the FCC said. Authorities have now prosecuted several U.S. companies and their customers for selling jammers.
Recently, however, an agency has petitioned the Communications Commission for permission to use cell phone jammers in certain areas, including prisons.

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