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Relatively speaking, the installation method for exterior than “click install method” increased the cost of directional antenna. But also because it is to choose the directional antenna, all shielding scope of the basic confined within the building and building within a decade or two meters around for building outside unnecessary influence is relatively rare.
This type of installation method in practical application, first should be based on projected points will blockers and directional antenna installation in place, for all cell phone jammer blockers after open, in the building of the blind without signal detection in blind, if there is, sall adjust each blockers spotting spacing between or increase or decrease blockers quantity. Individual cases, may also require that blind construction for built to appropriately increase the internal situation of internal blockers patch points.
The installation method of cell phone jammer phone signal blockers selection is relatively broad, general and commonly used little power machine can choose, such as SMa – 818B, SMa – 818HB, SMa – 818C, SMa – 818HC, SMa – 818YB, SMa – 818W models all can.

   Laws 2.2.2 high-power blockers (60W above) stationing method
2.2.2.1 high-power blockers + directional antenna
If the target building need comparatively accurate and shielding, and need to minimize the impact on the target building periphery, conditions permitting, can consider cell phone jammer to use less number of high-power screen is + directional antenna to shelter to target the building it signal shielding.

 Laws 2.2.2 high-power blockers (60W above) stationing method
2.2.2.1 high-power blockers + directional antenna
If the target building need comparatively accurate cell phone jammer and shielding, and need to minimize the impact on the target building periphery, conditions permitting, can consider to use less number of high-power screen is + directional antenna to shelter to target the building it signal shielding.

High-power blockers usually refers to the transmission power of cell phone jammer phone signal in 60W above blockers, its cell phone jammer phone signals for the shielding radius with average of 50 to 100 meters (depending on weeks edge), such as base station of distance 818K60, SMa SMa – 818K100, SMa – 818K200 – cell phone jammer phone signal blockers high-power etc.
Cell phone signal blockers shielding signal in a transmission process, for the buildings, especially because of the reinforced concrete wall penetration ability is limited (attenuation larger), one side of the building in target direction and general hard 1 powerful blockers completely cover the whole building, all is usually to recommend in the building’s position on both sides before and after each corresponding erection a powerful blockers, for the whole building to achieve complete shielding. The diagram below