Do You Block Your Number On A Cell Phone Blocks 5G Band

Do You Block Your Number On A Cell Phone In the examination room, in order to completely suppress all frequency bands of the three major operators, it is necessary to cover all the above 5G signal frequency bands, which is the most basic condition for signal shielding. At the same time, the interference intensity of mobile communication signals is divided into 5 levels. It is generally believed that only interference reaching level 4 or above will have a great impact on the communication signal. Quality assurance, the cell phone jammer interference in the test room can generally reach level 5, making the mobile phone a "brick". Judging from the practical application of the signal shielding device in the college entrance examination room, the standard mobile phone signal jammers in the college entrance examination room in some regions have achieved the 5G frequency band 3400MHz-3600MHz and 4800MHz-4900MHz frequency band shielding, which has covered all the N78 and N79 of China Telecom and China Unicom. However, China Mobile's N41 frequency band is between 2515MHz and 2675MHz, which is not within the suppression range of the signal shielding device, so the 5G signal can be connected to the test room, and it is not excluded that this frequency band is not covered. In addition, we also need to consider the influence of the actual use environment of the signal shielding device, including the position, height, obstacles, base station, etc. of the shielding device. If the position is too low or there are metal obstacles, it will also affect the shielding effect. , there is even a possibility that the signal jammer is not turned on correctly.

In some supervised places or school examination rooms, cell phone signal jammers are usually used to prevent unauthorized use of cell phones. However, when installing Do You Block Your Number On A Cell Phone , there is some confusion about whether to install the cell phone signal jammer indoors or outdoors. Today, let’s talk about the difference between installing the cell phone signal jammer indoors and outdoors. The installation of mobile phone shielding equipment in indoor and outdoor environments is different, because the outdoor environment is relatively complex and harsh. Therefore, there are higher requirements for outdoor shielding equipment, such as for different temperature, humidity, climate conditions, etc., the outer casing of outdoor mobile phone signal shielding equipment should be more waterproof, corrosion-resistant, anti-high temperature, low temperature and other properties. The indoor signal isolator has lower requirements on the shell, but may have higher requirements on heat dissipation and mute.