4G Cell Phone jammers can be configured antenna omnidirectional antenna, you can also dress up a directional antenna.
Omni-directional antenna (whip) in normal use, towards the most commonly used is to keep the antenna vertical overturned (ie antenna top up). 4g cell phone jammer
Based on characteristics of the all-signal transmitting antenna, omni-directional antenna coverage area can be seen as general as the center of the antenna is based on a spherical region, but in fact, the extension line direction of the antenna is a signal transmitted across the weakest region, the If you want to play the greatest omnidirectional antenna signal coverage radius, it should try to avoid being shielded antenna toward the most desirable areas. 4g cell phone jammer For example, when the omni-directional antenna is installed vertically in the air, the area around the antenna is shielded signal transmission farthest regions, while the antenna toward the top of the sky and the ground beneath is shielded signal the direction of the weakest areas.
Similarly, if you are using an omnidirectional antenna, encountered phone shielding signal coverage is too broad, you can adjust the orientation of the antenna, the antenna pointing not want to be shielded area, then shielded signal antenna is pointing to the area will be correspondingly weaken more.
4g cell phone jammer When more precise environmental requirements field shielding, the shielding is not required or is present in the area surrounding the mask area, it is recommended to use a directional antenna, the directional antenna may be relatively concentrated toward the mask signal in a block area for transmission, the directional antenna toward the area is shielded signal transmission farthest regions, must be noted that: directional antennas on both sides and behind there will be a small part of the area is shielded signal coverage.
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