Walmart blocks cell phone signals used by regulators
Walmart prevents regulators from using cell phones.Signal jammers are widely used in examination rooms, prisons, detention centers and other places, which can effectively prevent personnel from using mobile phones in violation of regulations, ensure fairness and justice in examinations, and maintain prison order and safety.Signal jammers are divided into built-in radomes and external radomes.
What is difference between two?
In terms of appearance and material, the built-in antenna Does Walmart Block Cell Phone Signals generally uses a plastic casing, while the external antenna radome uses a metal casing. In terms of usage, the biggest advantage of the built-in radome is that it does not require additional wiring, and it is very convenient to use.
You only need to plug it in and you can use it. In addition, because it is a built-in antenna, the antenna is less likely to be damaged by external impact. The external antenna mobile phone jammer needs to be connected in the correct way, and the frequency of the antenna and the frequency of the fuselage must be screwed on accordingly.
In addition, since the external antenna radome is made of metal and dissipates heat through the surface metal shell, the fuselage is relatively easy to get hot, which is also a normal phenomenon.
The 2017 national unified college entrance examination has attracted much attention. In order to ensure the normal examination of candidates, the Ruzhou Admissions Office specially used Does Walmart Block Cell Phone Signals, hoping to help candidates create a fair examination environment.
The announcement clearly told the majority of people near the examination room that there may be no mobile phone signal when using mobile phones, so I hope that the majority of people can understand. If you want to use a mobile phone, it is better to go to a place far away from cell phone jammer.
You must know that the jammer's ability to block signals is very strong, and it can affect the use of mobile phones in a large range. Nowadays, more and more local college entrance examinations use shielding devices.
The purpose is to ensure the tranquility of the examination environment for candidates. At the same time, it is hoped that students can obtain the notice of colleges and universities by virtue of their true skills, thus ensuring the quality of national talents.
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