It is also more and more common to place cell phone signal jammers in classrooms and dormitory areas. Of course, in important exams, especially college entrance examinations, mobile phone signal shields must also be placed in the exam room, even metal security gates and hand-held metal detectors are also common. How to choose a cell phone jammer for universities and middle schools?
At present, there are many suppliers of signal jammers in the examination room, and the products are also diverse. It is recommended that schools focus on the following points: Product shielding effect: This is of course the most important. If the quality of the product is not good, normal shielding requirements cannot be guaranteed. . Since there are many signal base stations in the city, the signal strength of each school is different. The shielding effect is best to be tested on the spot. Service guarantee commitment: If the product fails, can it be repaired and replaced in time? Is it one-year warranty, two-year warranty, three-year warranty? Price competitiveness: Good quality and low price is the goal of all consumers. Whether the price of the product is competitive, what is the school’s budget, and the supplier’s quotation need to be considered comprehensively. In short, you must choose the most cost-effective mobile phone signal jammer product.