The far-reaching impact of UNESCO's call for a ban on the use of smartphones in primary and secondary schools around the world

　　Introduction

　　On July 26, 2023, UNESCO released the 2023 Global Education Monitoring Report, calling for a ban on the use of smartphones in primary and secondary schools around the world. This move is aimed at addressing the negative impact of smartphones on students' attention and learning outcomes. This article will explore the far-reaching impact of UNESCO's initiative on the education system in conjunction with the application of mobile phone signal jammers. cell phone jammer

　　Background of UNESCO's call

　　In its report, UNESCO pointed out that although the rapid development of technology has promoted the popularization and quality improvement of education to a certain extent, it has also brought many new challenges. In particular, the widespread use of smartphones has seriously distracted students' attention inside and outside the classroom. Studies have shown that it may take 20 minutes for students to refocus after being distracted by their mobile phones, which has a negative impact on learning efficiency and effectiveness.

　　In addition, the report also emphasizes that over-reliance on technology may lead to increased educational inequality. In particular, in low-income and lower-middle-income countries, limited resources are used to purchase technical equipment rather than to provide teachers and teaching materials, making the achievement of global education goals more difficult. signal jammer

　　The role of mobile phone signal blockers

　　In order to cope with the interference and adverse effects brought by smart phones, mobile phone signal blockers are widely used in educational places as an effective technical means. Mobile phone signal blockers interfere with the communication signals between mobile phones and base stations by emitting electromagnetic waves in a specific frequency band, thereby achieving the purpose of shielding mobile phone signals. This device can effectively block multiple signals such as GSM, CDMA, DCS, PHS, 3G, 4G, 5G, etc. within a specific range, making it impossible for mobile phones in the area to make calls or use data services. GPS jammer

　　Application scenarios and effects

　　Examination venues: In important examinations such as the junior high school entrance examination and the college entrance examination, mobile phone signal blockers are widely used to prevent candidates from cheating with mobile phones. For example, some schools have purchased handheld mobile phone signal blockers with an effective radius of 10-50 meters, which can effectively block mobile phone signals in the examination room and ensure the fairness and seriousness of the examination.

　　Classroom teaching: In daily teaching, many schools have also begun to use mobile phone signal blockers to ensure that students can concentrate in class and reduce unnecessary interference. This practice not only improves the effectiveness of classroom teaching, but also cultivates students' good learning habits.

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