Ms. Zhou, who lives in the Mongolian expert and belongs to Building 2, West District, is troubled at weekends. “The mobile phone signal is too weak after returning home, and the telecommunications signal is better. China Mobile and China Unicom often have no signal.” Ms. Zhou said that the main situation of no signal is Focus on Saturdays and Sundays from 8 to 11:30 and 2 to 5:30 in the afternoon. There are no high-rise buildings in the vicinity of the Mongolian expert building. About 300 meters to the north of the West District is the fourth phase of Tianfu Garden, separated from the Beijiao Park in the middle. A "signal crisis" also appeared in the homes of most residents in the Eastern District. Resident Ms. Bai said that not only was the mobile phone signal weak at the weekend in the family building in the east and west districts of Mengzhuan, but the signal source of residents near the Dongmen Bayi Market was also unstable. On weekends, at home, you can only put your phone near the window or on a high place, so that you can barely pick up and call the phone. Friends often "complain" that she is not in the service area. Ms. Bai believes that the frequent use of Cigarette Case Cell Phone Jammer at two nearby colleges and universities keeps taking exams every weekend, resulting in no signal at home. During the interview, the reporter found that the mobile phones of residents near the building of the division had also experienced unstable signal. In order to test the signal strength, the reporter took out the Unicom mobile phone and went to the corridor of Unit 1 of Building 3. When it reached the 4th floor, the signal dropped to 2 bars. cell phone jammer
Gao Shengyong, Minister of Propaganda and Traditional Warfare of Hohhot Vocational College, said that at the moment when students complete their courses or final exams, the school adopts a system of inspections by school leaders and invigilators, and no shielding equipment is used in school exams. According to Gao Shengyong, the exams using Cigarette Case Cell Phone Jammer are all national exams. 3 to 4 national exams every year need to occupy the school's premises. Mobile jammers are also provided and debugged by the main examination department. The reporter learned that, from May to August each year in Hohhot Vocational College, civil service examinations, accounting examinations, English Band 4 and 6 examinations, and labor qualification certificates are all conducted on weekends, but at most once a month. Gao Shengyong said that the test period may have an impact on the mobile phone signals of surrounding residents, but it is impossible to affect it every week. At present, the school's English Band 4 and 6 exams are conducted in the University City of the East Campus. There are no large-scale exams recently. Hu Bisi Haratu, deputy director of the Academic Affairs Office of Hohhot University for Nationalities, said that mobile phone jammers are not used in the examinations of the school, and teachers are mainly used to invigorate the examinations. Every year, the national examinations use shielded equipment. However, before using the mobile phone signal jammer, the electromagnetic frequency has been adjusted, and the mobile phone will naturally have a signal if it goes out of the test range. During the exam, the shielding area is limited to classrooms and corridors, and residential buildings are unlikely to be affected.