Tell about cell phone jammer

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A Cell Phone Jammer is an electronic device that can temporarily disrupt any mobile phone signals that are in a close enough area to the jammer. Cell phone jammer are often used by the military and law enforcement officials to either stop or control cell phone communication during disputes or threatening situations. With cell phone use spreading almost everywhere and more people growing tired of being subjected to other people's personal conversations, some municipalities are considering whether to begin jamming cell phone use in some areas.
Cell phone jammer of Range
Cell phone jammer typically have a range of between 50 and 80 feet. This means that they will only successfully jam cell phones that are within this range. As soon as the cell phone travels out of range, the signal will return and you can again use the phone. More sophisticated cell phone jammer might have larger ranges.
Cell Phone Jammer Size
Earlier cell phone jammer were very large and not at all portable. New cell phone jammer are small enough to carry in a pocket the same way people carry cell phones. You can easily hold a cell phone jammer in your hand while using one.
Uses of cell phone jammer
Some buildings, businesses, offices and churches are now beginning to utilize strong cell phone jammer that are mounted on a wall or a ceiling. These cell phone jammer are generally housed in small metal boxes and are quite inconspicuous. Mobile phone jammer like this can effectively make cell phone use impossible in the building structure.
Legality of cell phone jammer
Whether it is legal to own and use a mobile phone jammer depends on your location and should be considered before attempting to purchase or use a cell phone jammer. It is illegal to sell cell phone jammers in the United States. In the U.K., selling cell Phone Jammer is legal but civilians cannot legally use them.