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How a Cell Phone Jammer Works.

A cell phone jammer is always used for blocking mobile signals in a specific area. Initially, the jammers were only used for security reasons by the security department. Today, jammers have been installed in many areas where usage of phone is not allowed such as religious places and workplace. The devices has also been used to ensure meeting runs smoothly without phone distraction by disallowing phone calls and messaging. The jammers works in the same principle that is used for blocking of radio waves. The jammers are available in different sizes and operating range. Large devices are always known to have a bigger working range. A jammer is considered to be of a good quality if it can block both speaking and listening signals.

A cell phone jammer is a simple device that operates electronically using an on/off button. It has a bulb lights when it is in operation. Larger jammers are always connected to an output power source while the smaller ones can use batteries such as phone batteries. The antenna is used for sending and receiving signal, larger jammers usually have an external jammer. A voltage-controlled oscillator, tuning circuit, noise generator, and an RF amplification which perform specific tasks towards blocking mobile signal are the universal components of a cell phone jammer and they are meant to perform specific functions.

The purpose of the voltage-controlled oscillator is to generate radio signals that will be enough to block the existing mobile signal whereas the tuning circuit regulates the frequency at which the jammer broadcasts its signal. The function of the RF amplification is to boost the power of radio frequency to amounts that can interfere with a signal while the noise generator is for generation of random electrical output to interfere with the existing mobile signals.

A cell phone jammer works the same way as a radio jammer. It operates by producing radio frequencies similar to the ones that a mobile phone operates on. The function of the radio frequencies generated is to interfere with the existing mobile phone signals. The cell phone jammers available are grouped into two categories according to how they block the signals. The first category is the one that block the radio frequency signals between cell phones and the jammers are always small. The other group is meant for large and powerful jammers. The jammers operate by blocking the transmission of mobile signal from the satellite to the cell phone tower.

Several types of cell phone jammers exist that vary depending on quality and size. Portable, remote control, adjustable, and school cell phone jammers are some of the types of jammers available. There are several other uses of cell phone jammers apart from the ones mentioned above.
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