A lecturer at Canara College recently discovered that her cell phone could not be used normally on campus, and initially thought that there was something wrong with the device.cell phone jammer After inspection, it was discovered that the root cause of the problem was actually the newly installed Wifi jammer near the prison. This jamming device caused extremely unstable signals on campus, making it almost impossible for students and faculty to access social media and the Internet on campus, seriously affecting their work and learning efficiency. signal jammer

　　Anna, an administrator at the school, expressed confusion: "In the past three days, our cell phone service has been basically paralyzed, and everyone has felt very inconvenienced." The school had to file a complaint with the relevant local authorities, hoping to readjust the coverage of the jammer to avoid further affecting normal educational activities.

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Public services are blocked: customers complain

　　Not only on campus, the jammers also affect surrounding office areas. For example, the LIC office located near the prison has recently received a large number of complaints that staff are unable to respond to customer calls and messages in a timely manner. This communication barrier has led to a decline in service efficiency and caused dissatisfaction among many customers.

　　As the 10 jammers installed in the prison were fully activated, residents within a 100-meter radius of the prison also suffered the same trouble. Many families living in this area reported that mobile phone signals were often interrupted and they could not make or receive calls normally. These problems have caused great inconvenience to daily life, especially in emergency situations.

Improved prison security: Sacrificing community interests

　　From the perspective of prison management, the original intention of installing jammers is to prevent illegal mobile phones from entering the prison, especially when prisoners use mobile phones to plan criminal activities. Since V Krishnamurthy took over as the director of Mangalore Prison in December last year, prison security inspections have been greatly strengthened, and 50 illegal mobile phones have been seized in just one month. Most of these mobile phones are thrown into the prison from outside the wall or hidden under tiles, behind TVs and other secret corners.

　　However, although jammers have played a significant role in maintaining prison security, this "one-size-fits-all" technical approach has undoubtedly had a negative impact on surrounding communities. Many residents believe that the authorities should adjust the frequency and range of jammers in a more humane way to reduce interference with daily life.

All parties call for: Optimizing signal interference strategies

　　In response to the above issues, prison management has stated that it will consider adjusting the frequency of jammers to reduce the impact on surrounding residents. However, there is no clear timetable for when this measure will be implemented. Experts suggest that the authorities should adopt more precise jamming technology and only shield inside the prison, rather than interfering with communication equipment in the surrounding community.