The device of cell phone jammer can produce a spherical electric

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<h1> The device of cell phone jammer can produce a spherical electric</h1><strong> Author: <a href='http://www.articleseen.com/profile_toneydavy.aspx'>toneydavy</a></strong><br /><p>Can be marked only the DC circuit parameters, but the fans interested in this production who do not care for me fear mark. Indian board diagram below.cell phone jammer can prevent some people from doing injuria by using cell phones. The following is to do the experiment board. Here is a good tune complete components installed, cut the coaxial cable to do a 50-3 1 / 4 wave antenna, internal and external conductors welded together. In fact, any kind of metal strips can be used as the antenna, but nothing with a coaxial cable provincial thing. Here is the enlarged figure, but still not see, after the way I think about it. The experiment, mobile communications used by the four bands can be installed in a piece on the board, with two high-band second harmonic. Of course, you can also close to each other of the two bands sharing a circuit board, but a much smaller output. Circuit board with a four-band coverage can be achieved, but the output is smaller, because the RF energy will be more dispersed. The disadvantage is poor flexibility, to be especially careful when bending. If the installing height of cell phone jammer is 1.5m or 2m, the blocking range would be the biggest. 3, the principles of digital transmission technology shielding mechanism of low-frequency magnetic field shielding material has high permeability low reluctance of the flux shunt plays a role, making the magnetic field inside the shield greatly diminished. When the frequency of electromagnetic interference is low, to high permeability of the material, so limit the magnetic field lines outside the shield to prevent the spread to shield the space to go.If switch on the power supply without installing the antenna, cell phone jammer might be damaged. Mainly for data cable shield external electromagnetic interference. At present the majority of real network applications is higher than the operating frequency of 30MHz, and an ideal balance of transmission system does not exist. Characteristics of the cable depends not only on the balance quality of their components UTP (twisted pairs, such as stability, impedance, etc.) SRL, but also by the surrounding environment. Because UTP around the metal, hidden ground, the construction of the stretch, bend, etc. will destroy the balance of features, thereby reducing the EMC performance. The device of cell phone jammer can produce a spherical electric fence to act on various cell phone forward channels to completely shut down the cell phone data chain. FTP is a balanced blend of UTP reflection-absorption mechanism and foil shielding mechanism is the principle of balance and shield combination.</p><strong>About the Author:</strong><br />Espow.com is a sales laptop battery, camcorder battery, iphone case, oil and other products based global network of stores. Here you can buy what you want laptop battery, iphone series case, painting,<a rel="nofollow" href=http://www.espow.com/jammers/security-surveillance-jammer.html>gps jammer</a>, etc., will give you a surprise place. <p> Article Source: <a href='http://www.articleseen.com/Article_The-device-ofcell-phone-jammer-can-produce-a-spherical-electric_111466.aspx'> http://www.articleseen.com/Article_ The device of cell phone jammer can produce a spherical electric_111466.aspx</a></p>

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Keywords : cell phone jammers, cell phone blocker,

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