What is a "Jamming Cell Phones"? The Most Authoritative Explanation.
What is a cell phone jamming device?
Cell Phone Jamming Device. Jamming devices overpower the cell phone by transmitting a signal on the same frequency and at a high enough power that the two signals collide and cancel each other out.What is a mobile phone jammer or blocker?
A mobile phone jammer or blocker is a device which deliberately transmits signals on the same radio frequencies as mobile phones, disrupting the communication between the phone and the cell-phone base station, effectively disabling mobile phones within the range of the jammer, preventing them from receiving signals...What is the range of a cell phone jammer?
Old-fashioned analog cell phones and today's digital devices are equally susceptible to jamming. The actual range of the jammer depends on its power and the local environment, which may include hills or walls of a building that block the jamming signal. Low-powered jammers block calls in a range of about 30 feet (9 m).Is it legal to jam cell phone signal jammers?
In most Western nations, it is illegal for citizens to jam cell phone signals, but some countries are allowing businesses and government organizations to use jammers where cell-phone use is seen as a public nuisance.
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