How should signal jammer of school examination room choose

Because the university is much, student is much, the examination room that all sorts of graduate student entrance exam, English 4 six levels of test USES is very much also. In order to ensure the fairness and fairness of exams and prevent electronic cheating, the use of wireless signal shielding devices (also known as cell phone jammer) in examination halls has become standard.

For middle school, no matter in middle school or high school, due to the increasing popularity of mobile phones, many children even indulge in mobile games due to poor self-control, do not listen to lectures well in class, do not sleep well at night to rest. As a result, it is becoming more common to install cell phone signal blockers in classrooms and dormitory areas.

Of course, during important exams, especially the national college entrance examination, mobile phone signal shield must be placed in the examination room. Even metal security doors and hand-held metal detectors are common.

The school focuses on the following points:

1. Product shielding effect: this is of course the most important. If the product quality is not good and normal shielding requirements cannot be guaranteed, nothing is discussed. Because at present the signal base station in the city is very much, the signal intensity of each school has difference, shielding effect after all how, had better be field test to inspect.

2. Service guarantee commitment: for example, is the supplier local or foreign? If the product fails, can it be repaired and replaced in time? Is it one-year warranty or two-year warranty or three-year warranty? Overall, the services of local suppliers are more secure.

3. Price competitiveness: high quality and low price is the goal of all consumers. Whether the price of the product is competitive, the school’s budget and the supplier’s quotation need comprehensive consideration.