Portable GPS Mysteries - What s A GPS Jammer
From EjWiki
Now we will come to mobile jammers. These are devices having a finite range within which mobile phone will not be able to work. They will be useless within the limits of a jammer. Before foraying into the working of a cell phone jammer you should know how a cell phone works. It works by communicating with its service network via cell phone towers present in various areas. As people move the signal gets transferred from one tower to another. The jamming device transmits the same frequency as the cell phone thereby disrupting it completely. As the same frequency overlap the communication between the mobile phone and the tower gets interrupted and the mobile phone ceases to work. There are various types of jammers with different ranges. Some are as small as a suitcase with arrange of few meters while some can be as big as a room and have a range of few hundred meters.
If you want to get a GPS jammer for yourself, then it is very easy and cheap. Just buy a good one from one of the numerous online stores. But as mentioned earlier, it is better to check your local laws, because you would not want to have a rough time with the law enforcement folks after you get the GPS jammer shipped to your place.
The portable GPS signal jammer creates a safety area of around 10 meters around the device, and this particular area is safe from the probing GPS signals. 10 meters is more than enough to cover a human or even a large vehicle, so portable GPS jammers are handy enough and allow you and your vehicle to move without getting in to the GPS monitoring.
Cell phones have different frequencies for listening and talking, that gives the jammer extra labor of blocking both the signals so as to effectively cease the communication. Even if it blocks one of the frequencies the mobile phone is tricked into thinking that it has lost signal and is unable to find the service provider's frequency and is said to be OUT OF RANGE. These features allow them to be placed in special types of prisons, for e.g. many state prisons have GPS jammers installed. This is done to prevent the inmates from trying to operate their organized crime even from inside penitentiary. Mobile jammers are a gift of science and should be used effectively and intelligently.
First, is it legal in your state to mount suction cup devices on your windshield? In both California and Minnesota, it's illegal to have any suction cup device mount to your windshield. OK, you don't live in either of those states. To properly mount your device, there are a couple of keys to having it remain mounted and in position. An accident could happen if the device came loose from the windshield while you are driving. It could distract your attention and result in an accident. To get the cups of your Garmin Nuvi GPS or other brand of global positioning system to remain in place, first make sure that the surface is clean. Most windshields if not cleaned regularly can develop a film on the inside, and this is enough to cause the device to come falling down in a short period of time. Next, you want to slightly moisten the contact surface of the suction cups. This will give you a good bound that will last your entire trip if done properly. I have heard that if you take a very small amount of Vaseline and coat the suction cups, and they will remain in place for a very long time. However, I have not tried it.
On a date with your friend or watching a movie at the theater? Enjoying your time... RING RING. Suddenly someone with a loud voice talking on the phone and totally ignoring his surroundings. Wishing you could pay him back for him ruining the mood?
You may have heard of a mobile phone jammer. A device that that is used If you loved this post and you would certainly like to receive even more info relating to chavid.Com kindly see our own page. to block all mobile phone signals within a certain range. They come in all sizes and are widely used in areas where a mobile phone is prohibited like at high profile business meetings. They come stationary or portable and differ in the range they can block the signals. There are jammer for other frequencies as well, like WLAN or GPS. Even jammers that can block all of them. Nowadays they are small enough to carry them where ever you go and powerful enough to block signals up to 30 meters with the portable version. The Range of the stationary ones are way higher. So I ordered a portable one to test them out after finding a wide range of mobile phone jammers at a shop in china.
Since GPS has always been mainly used by the military to locate the position and movement of enemy aircraft and to detect any unauthorized entry of aircraft etc in to home territory, use of GPS jammers has been restricted for the public. Well, the civilian GPS signal jammers do have different radiofrequencies than the military used ones, but there are still many countries who are not exactly comfortable with the idea of widespread use of GPS jammers by the civilians.
Citing a simple example, you and your girlfriend are sitting in a theatre enjoying a movie and just when there comes a twist or a key dialogue is about to be delivered someone's cell phone starts ringing. You could have forgave him or her but that incident did not end there the concerned person not only receives the call but starts talking endlessly at the pitch of his or her voice. At that particular moment if you had the power you would have destroyed the entire cell phone industry. This would not have been the case if that movie theatre admin had installed a mobile phone jammer. Not only movie theatres but restaurants, concerts, shopping malls, places of worships etc all suffer from the same problem. Many a people are there who do not know the basic courtesy to switch off or at least make their mobile phone silent in these types of places.
