It might happen during the use of cell phone jammer being occurred ...

The navigation software path to guide the calculation function, according to our needs, planning a destination routes, and then lead us to walk to the destination. GSM communication module to complete the communication functions of mobile phones, according to the phone function to the GPS data collection process and upload the specified site. Purchase of mobile phone navigation considerations. Mobile navigation phone have both general communication functions as well as navigation features, mobile phones with navigation features, optional navigation phone, the key is to note the following.? cell phone jammer is of the table-top or ceiling-mount design.
The screen is large enough, because the screen is small to see clearly, very convenient to use; whether electronic dog, the so-called e-dog function is the reminder of the monitoring system, it can in the vehicle in motion the process to remind you in front of the number of meters Monitor gun, the speed limit is how much, you can also prompt you in front of the camera, do not red light running, and so the reminder is very useful; the map to be able to update, because the annual road will change, such as the newly built road. single and double row line adjustment, so the navigation map in the phone have to change along with, or very inconvenient; determine their GPS phone, or A-GPS mobile phones, GPS phones and high precision, accuracy slightly A-GPS mobile phone low. It is the 60W military communication backpack ? cell phone jammer .
Confirm that the mobile navigation in the course and whether they have other expenses, such as network traffic charges or GPS software costs. The Global Positioning System (GPS) navigation and positioning system is jointly developed by the U.S. armed forces in the 1970s a new generation of space satellites. Its main purpose is to provide real-time, weather and global navigation service for the three major areas of land, sea and air, and for intelligence gathering, nuclear explosion monitoring and emergency communications for military purposes, is an important component of the United States dominate the global strategy. After more than 20 years of research and experiments at a cost of $ 30 billion, 24 March 1994, the global coverage of up to 98% of the GPS satellite constellation has been laid to complete. It is ?? cellphone jammer with battery and adjustable function.
Global Positioning System consists of three parts: ground control segment, by the Master Control Station (responsible for managing, coordinating the work of the entire ground control system), the ground antenna (under the control of the master station, into the satellite to find the message), stations ( automatic data collection of center) and communication aids system (data transmission); space segment, composed of 24 satellites distributed in six channel plane; users device part of the GPS receiver and satellite antenna. The main advantage of the Global Positioning System. Weather; (2) global coverage; (3) three-dimensional constant speed timing precision; (4) fast time-saving high efficiency: (5) are widely used multi-functional. The jamming range of? cell phone jammers is dependent on the local signal strength.
The main drawback of the Global Positioning System, but the vision is not open, such as under a tree or room and underground car parks, can not find space for a sufficient number of positioning satellites, can not locate. Huge industrial chain support GPS navigation mobile phone business beyond the traditional value-added services to the huge lineup of industrial chain, from the many facets of the mobile operators, equipment suppliers, terminal manufacturers, GIS developers, application providers, middleware providers composed of the integrated use of many technologies and applications, including mobile communications, satellite navigation, Internet, geographic information systems, integrated information service is a product of a number of industries, a number of technology convergence and integration. GPS mobile phone service need to be sustained and huge investments, especially in network upgrades and electronic map. The car power invertor is needed when using ? phone jammer in the car.

Source: http://www.iphone-phonejammer.com/it-might-happen-during-the-use-of-cell-phone-jammer-being-occurred/

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