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What Does Jamming Device

Perfectjammer 2017-09-13

The meaning of jammerEvery technology has good aspect as well as bad aspect the important thing is, how we are using it. Such as jammers, most of the situation is used in the right place. But it is undeniable that some people use it to do bad things. Of course, today we are not talking about how jammers are used correctly, but detailed analysis of the jammer itself. Only by knowing more about this device can we understand how to use it best
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. Cell phones are designed to add power if they experience low-level interference, so the jammer must recognize and match the power increase from the phone.
To jamming cellphone, you need a device that broadcasts on the correct frequencies. Although different cellular systems process signals differently, all cell-phone networks use radio signals that can be interrupted. GSM, used in digital cellular and PCS-based systems, operates in the 900-MHz and 1800-MHz bands in Europe and Asia and in the 1900-MHz band in the United States. Jammers can broadcast on any frequency and are effective against AMPS, CDMA, TDMA, GSM, PCS, DCS, iDEN and Nextel systems. That's why jamming devices are expensive.

Jammers Applications and Benefits

Cell phone jamming devices were originally developed for law enforcement and the military to interrupt communications by criminals and terrorists.
The bombs that blew up commuter trains in Spain in March 2004, as well as blasts in Bali in October 2002 and Jakarta in August 2003, all relied on cell phones to trigger explosives. It has been widely reported that a cell-phone jammer thwarted an assassination attempt on Pakistani President Musharraf in December 2003.
When President Bush visited London in November 2004, it was reported that British police considered using jammers to protect the president's motorcade through London.
During a hostage situation, police can control when and where a captor can make a phone call. Police can block phone calls during a drug raid so suspects can't communicate outside the area.
Cell-phone jammers can be used in areas where radio transmissions are dangerous, (areas with a potentially explosive atmosphere), such as chemical storage facilities or grain elevators.
Corporations use jammers to stop corporate espionage by blocking voice transmissions and photo transmissions from camera phones. There are rumors that hotel chains install jammers to block guests' cell-phone usage and force them to use in-room phones at high rates.

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