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In the building of 2.3 overall shielding
Many building in front and back into a list of cases, and no more than 50 metres before and after the interval when (depending on the peripheral base station of distance), between building and building a “power through to the antenna blockers + all the methods to achieve” complementary screen effect cell phone jammer , so can make full use of various blockers effectively screen radius, also the best possible saving blockers spotting quantity, concrete shielding effect schematic diagram shown below:

The building into a column of high-power blockers quantity needed is generally N + 1 (N for building number) building. While still need to consider a number of small power machine for blind spots.

2.4 aimed at factories, workshop
Match all is against 2.4.1 blockers to antenna
Factories, the workshop environment most are fully environment, in its internal achieving all cell phone signal shielding is relatively easy, the most common way is in every workshop cell phone jammer on both sides of a distance, each point by wall hung installed distance interval between 20 to 50 meters is generally, depending on the actual in pollen blockers effectively screen distance.
If internal plant have warehouses or toilet of lesser space such as regional, according to the wall alone against these conditions may need a small region of estimate alone shielding point bits.

With directional antenna 2.4.2 blockers
If the screen is required only for workshop in indoor, in factory workshop peripheral close has need not be shielded place, then need to be will all the blockers to antenna outfit and also into directional antenna in blockers selection on the cell phone jammer phone blockers choice model transmission cell phone jammer power can be adjusted.
Omni-directional antenna with directional antenna, due to the outfit directional antenna coverage area is relatively concentrated and reduced, and may in overall blockers point number has increased.