Cell Phone Jammer Transmits Low Power Radio Signals To Cut Off Communications

How does it work? The cellphone jammer transmits low power radio signals to cut off communications between cell phones and cell base stations. However there are people who forget to switch off their mobiles in these high profile meetings and a ring from a single phone may prove to be costly . Also there are high profile business meetings where the use of mobiles is totally banned during the duration of the meeting. Some buildings designs block radio signals by accident due to thick concrete walls or a steel skeleton. Mobile phone quad-band signal jammer for worldwide use.

Some devices send all incoming phone calls to voicemail and prevent outgoing calls. When the phone jammer is turned from on to off, all cell hand phones will automatically re-establish communications and provide full service.  Cell phone alert systems are made which indicate the presence of a cell phone signal.

While the law says we cannot use a device to actively stop a cell-phone signal, no rules exist against passive cell-phone blocking. Hence jammers are installed in these locations so that there would be no ringing of any mobiles and the meeting can continue peacefully. Manufacturers are developing technology that will control a cell phone but do not actually jam the signal .

Upon activating (turning on) the signal jammer, all the nearby phones will indicate “NO NETWORK”, so you can conduct your company presentation, meeting, dinner, worship service, legal proceedings, or other important activities without being disturbed . It is often used in events where talking on the phone could be detrimental. Some businesses use wallpaper or building materials that have metal fragments inside them to block cell-phone signals from reaching inside or outside the room. While you may have seen plenty of mobile phone jammers before, this one is quite simply one of the best we have ever tested .The mobile phone jammer is a device that is used to block the mobile signals within a certain range from a few hundred meters to a few kilometers. For example, it could be banned in cricket stadiums where spectators could place their bets on phone which is totally illegal in many countries.  These devices are often used in hospitals where valuable medical equipment could be affected cell signals.


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