How effective is the shielding of household signal jammers?

The mobile phone signal shielding system is a relatively professional modern communication signal shielding technology, especially in the special environment of prisons, which puts forward higher requirements on the mobile phone signal shielding technology. For example, in the application environment of the communication signal shielding system of a general meeting, participants come and walk in a hurry, and there is almost no time to “search” for the blind spots of communication signal shielding. In the special environment of the prison, the number of people is dense and the activities are more concentrated. This is the time to use mobile phone signal jammer for shielding.

1. How to evaluate the effect of the cell phone signal shielding system in the prison? If there is no shielding blind spot in the prison, the test should be repeated. In places with strong signals, such as “windows” or “every corners”, professional equipment detectors should be used. , Radiation, and shielding of other systems; to achieve no blind spots; to comply with the inspection regulations of relevant departments

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2. The shielding effect and external shielding?

The high-quality mobile phone signal shielding system project must be completely shielded without affecting the communication of residents, not letting people complain, not allowing mobile and China Unicom to cause trouble, and the shielding area is more accurate, and there is no shielding outside the shielding area, which can be regarded as a complete acceptance project.

3. Problems with upgrading and expansion? The wireless communication technology is developing rapidly. 5G is currently in the trial operation stage. Yesterday, the system could be completely shielded, and there may be problems today. Therefore, the construction of the shielding system should be modularized, and it can be easily upgraded according to the changes of the surrounding communication facilities, so as to substantially save the project investment and achieve permanent shielding.

Factor 1: the effective shielding of mobile phone signal jammer

The efficiency of the so-called cell phone jammer is whether the shielding effect has blind spots or leaks. Near some prisons, there may be sources of strong mobile phone signals. In order to achieve a good shielding effect, a lot of materials and energy will be spent correspondingly, and the cost will correspondingly increase substantially. Therefore, the better the shielding effect, the cost will increase accordingly. In actual use, the shielding requirements of the prison area are generally higher, with a little leakage and blind spots. Some personnel may seize this loophole, so that the mobile phone can be used in the originally prescribed shielding area, which cannot achieve the original intention of shielding the mobile phone.

Factor 2: No malfunction time of mobile phone signal jammer

If the original stipulation that the failure-free service life is 1 year and the failure-free service reaches 3 years in actual use, the cost performance will be tripled. If the original stipulation that the failure-free service life is 1 year, it will often fail in less than half a year in actual use. Although it is a free warranty, the risk is immeasurable, personnel resources are wasted, and the corresponding cost performance is greatly reduced.

Factor three: external shielding of mobile phone signal jammer

If external shielding is not considered, it is relatively easy to simply shield the mobile phone signal, as long as the shielding power is increased. But it is necessary to ensure that the shielding area has no blind areas and no leakage points. The power intensity in the shielding area is relatively large. If there is a little leakage, the external shielding will be large. This requires full consideration and technical control during shielding design to achieve precise and efficient shielding without external coverage.

Factor 4: Cell phone signal jammer cost

The cost should follow the shielding requirements and budget. You can’t blindly choose cheap machines, and you can’t think that expensive is good. In actual choices, word-of-mouth is very important. It is more necessary to investigate past cases on the spot, test the shielding effect, and then make selections.

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