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Cell phone scrambler can be used in places like hospitals, churches, movie theatres and other places with performances, and other buildings where and when the use of mobile telephones may result in a leak of sensitive information
What device can disable cell phones?
Such devices exist, and a device called a cell phone jammer has been used in many public places. Disrupting a cell phone is the same as jamming any other type of radio communication.
What is cell phone jamming device?
Cell phone jammer can 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 can a GPS jammer do?
Most GPS blocker vehicle anti-tracker are built for military uses, for instance, to confuse the enemy on where their exact location is or where the enemies satellite positioning guided missiles or bombs will fall.
Why buy GPS jammer?
With advances in technology, there is always the tendency to relinquish more and more of our privacy. GPS tracking cell phone technology is no different.
Can use cell phone jammer in church?
In Monterrey, the Sacred Heart church, a baroque temple favored by Mexico's elite for weddings, church officials acquired their blockers two years ago.
What is the use of cellphone jammer?
Cell phone jammer is a device that blocks transmission or reception of signals, usually by creating some form of interference at the same frequency ranges that cell phones use. As a result, a cell phone user will either lose the signal or experience a significant loss of signal quality.
Can jam both 4G and WIFI signals at the same time?
At present, France, Japan, China and other countries have used this cell phone jammer on a large scale. Used in education to prevent students from cheating and using mobile phones during class. In addition, some business owners also purchase such equipment for meeting rooms and office areas.
Are cell phone jammers legal in schools?
It is now legal to use jammers in schools such as France, Japan and China. Japan and China have been using cell phone jammer for a long time. Now Europe is beginning to accept the use of jamming devices.
Is there a remote control jammer?
Although we may be used to starting the jamming device ourselves. But the latest remote-controlled cell phone jammer have appeared. The jamming device has a remote control like a car electronic lock. Remote control can be done with the buttons on the remote control.
Can be used cell phone jammer in car?
Although we usually use cell phone jammer indoors. However, this does not mean that the jamming device can only be used in a specific range. Jamming devices can also be used in cars.
What's the cell phone jammers?
There are many legal purposes for using them in some peoples everyday lives. Cellular based security systems testing, cell phone testing, wireless product testing, and GPS product testing are areas where technicians use them all the time to verify their equipment is working without actually causing unnecessary calls to 911 centers. Many schools, theatres, movie shops, dorms, auditoriums, restaurants, and so forth can also use them legally.
Jammer signals will harmful to the human body?
There are often concerns about whether the radio waves of the jammer can be harmful to humans. But in fact, the radio waves generated by the cell phone jammer are very weak to other objects in addition to interfering with cellular signals.
What is the classification of jammers?
According to the frequency classification, the jammer can be divided into cell phone jammer, GSM jammers, GPS jamming device, WIFI blocker, drone jammer.
Does the jammer block other electronic device signals?
There are also cell phone jammer that can interfere with a wide range of frequencies. However, this type of jammer can choose to turn on or off a single frequency. So, in general, the jammer does not interfere with other frequencies.
What should pay attention to before buying the jammer?
The cell phone jammer is customized according to the frequency bands of different countries, please confirm that the purchase country and the actual use country are consistent. Otherwise it can not be used.Please read the jammer function before purchasing. If the low power jammers(such as handheld jammers) to blocker signal device(such asWIFI router, Bluetooth audio equipment, etc.), the effect will be poor or even can not jammer. It is forbidden to use while charging. Do not use handheld jammers as desktop jammers. Do not use jammers before connecting the antenna.
Can jammers be used at extreme temperatures?
For purposes of use, cell phone jammer is rarely used in extreme environments. Therefore, the use of extreme environments is not considered in the design. Usually the jammer can work in an environment from -10℃ to 50℃. If the temperature is too low, the jammer may need to be warmed up for a period of time to work properly. If the temperature is too high, prolonged use may cause damage to the jammer.
Is the jammer waterproof?
The cell phone jammer is also has waterproof type. This kind of jammer can usually prevent water dripping and splashing. It can be used outdoors or without sealing environment.
What's the difference between GSM and CDMA?
CDMA (Code Division Multiple Access) and GSM (Global System for Mobiles) are shorthand for the two major radio systems used in cell phones. The two cellular standards function in different regions and allow for global communication between individuals, and each converts incoming and outgoing data into radio waves differently.
What's the difference between desktop jammer and handheld jammer?
Hand-held cell phone jammer are lightweight and easy to carry. There are two types: common and vehicular type. Vehicle-mounted type is a popular type at present. It can be recharged by cigarette lighter and can be used for a long time.
How long can jammer work?
The working time of the jammer is determined by its built-in battery. Different cell phone jammer have different battery capacities. Usually the smallest interfering device can work for more than two hours, and a large capacity can work for 4-6 hours.
What is frequency band?
A frequency band is an interval in the frequency domain, delimited by a lower frequency and an upper frequency. The term may refer to a radio band or an interval of some other spectrum. Frequency band is an important standard for cell phone jammer The frequency range is different, the signal that can disturb is different.
What is MHz mean?
The megahertz, abbreviated MHz, is a unit of alternating current (AC) or electromagnetic (EM) wave frequency equal to one million hertz (1,000,000 Hz). MHz is a common unit of signal frequency used to distinguish different frequencies.
What is jammers?
To put it simply, a cell phone jammer is, fundamentally, a signal blocking device, which transmits synchronized radio waves on the same frequency range of the device that one needs to blur, therefore preventing devices from transmitting data in the chosen area.