cell phone jammers circuit or schematic

Cell phone jammers are devices that generate a temporary “dead zone” to all cell phone traffic in their immediate propinquity. Jammers are usually used by the police and military to control or disrupt communication in the work of hostage situations and bomb threats.


Historicallyin the past, cell phone jammers were huge antennas mounted on trailers that had to be pulled behind a van. They now come in a variety of shapes and sizes including models that are about the size of a cell phone.

Let the Cell Phone Jammers to Protect Your Life

Do you know what are the cell phone jammers? The cell phone jammer is a kind of device to block cell phone signals so that you can't send or receive any cell phone signals. In other words, if you have your cell phone blocked by a cell phone jammer, your cell phone just like the one without SIM card.

You may feel very curious that how can my life connect with the cell phone jammer. After you read this post, you may get understand.


In our life, There are more and more car accidents to happen. When we refer to the causes of the reasons, you automatically think of seat belts, following the speed limit, or using your blinkers. However, there are seldom people to think that cell phone is also one of the reason to become one of the top causes of automobile accidents!

As we all know, if a driver has a talk in driving , it’s very easy for them to cause the car accident. Yes, from the daily experience, you can get the result easily. Every day someone is killed because a driver was using a cell phone and became distracted from the task of driving. Our vehicles can be dangerous weapons if we let them be, and a driver needs to concentrate on the road every single second. What’s more, drivers talking on their phones are a danger not only to themselves but also others. The federal and state governments are doing what they can in trying to minimize the danger by banning driving with cell phone use.

However, the new product, cell phone jammer, will prohibit such things to happen. The working principle of cell phone blocker is that the mobile phones transmit different frequencies for talking and listening, the cell phone jamming device takes extra burden of jamming both types of signals so as to interrupt the communication successfully. Even when only one frequency gets blocked by the jammer, the cell phone is made to think that it can’t catch the frequency of that of the service provider and is said to not reach our range.

Thus, in order to assure you and other people’s safety, you’d better use the cell phone jammer to minimize the accidents to happen that are caused by mobile phones.

And now there are many kinds of cell phone jammer for sale in many online stores. You may find one which suit you. Let the cell phone jammer to protect your life. No cell phone signals in the car!

How to Stop People Using Cell Phones While Driving?

Are you so sick of those inconsiderate boobs with cell phones in public that seem to oblivious to those around them as they gab and gab on their cell phones. Are you ready to spring for one of those  phone jammer to silence it one and for all in close proximity to yourself.

Do you understand completely while there is still a law here against talking on cell phones while driving, people do it anyway and cause so many wrecks it isn’t funny.

Are you oppose all cell phone laws. Someone against laws stopping people from using their phones in their cars and do you hate the laws stopping people from texting while driving? Someone does. Because they feel personal freedom is paramount regardless of the danger that someone might pose. If someone is driving and using the phone or texting, we should shame them into submission. If they almost hit us, we should take their phone and stomp on it. If people felt this kind of impending pressure, they would likely not be so quick to flip out their phones (unless, of course, it’s an emergency).

There are, though, other ways to handle cell phone users and one way is amazingly cheap. There are an array of cell phone jammers for well under $100. The cheapest ones, running about $30, has a range of 5-25 meter. The big ones, priced around $100, has a huge range and can knock out the signals from an entire building.

There have been so many times you’ve wanted to knock someone off the phone because they’re swerving in front of you (or worse, swerving at you). And while the jammer may not be the perfect solution, it still would be a very comical and perhaps vengefully satisfying solution. The legality of these jammers are definitely in question.

Beautiful Cell Phone Blocker or Beautiful Painting?

Can you imaging that a beautiful painting is actually a cell phone blocker? Powerful and effective, this cell phone blocker effectively disables any cell phone and will stop all signals on the GSM, CDMA, DCS, PHS, and 3G bands without interrupting any other electronic device. With the included remote control, users can turn the device on and off for instant jamming and unjamming. Also included is sensitivity control for partial and selective blocking of any mobile phone signal. With a working radius of up to 80 meters, this device can be used in any location, but is found primarily in places where a phone call would be particularly disruptive because silence is expected or needed.

The inconspicuous painting design effortlessly blends in with (and easily mounts on) the wall and is ideal for churches, hospitals, libraries, museums, movie theaters, class rooms, and for business meetings and legal proceedings. Disguised as a nice looking painting, this device can make sure no accessible cell phone signals around its coverage. The coverage is around 80 meter radius, which is more than enough to set your home into an “Out of reach” area. Very suitable for Library, podium, stage or class rooms. There is no real reason for blocking a cell phone signal in your home or room, but if you do need one device that could jammed the frequency in your area, this cell phone blocker painting might be something you’ll be interested in.

Cell Phone Signal Blocker - The Excellent Silencer

Instant wealth has been granted the freedom of mobile phone company, the inventor of the new device, cell phone signal blocker called "Silencer." This new building is closed any irritants nearby cell phones users and run them. It is this demand that now only be found for sale on the Internet. The muffler will go to any cell phone anywhere and at any time within a radius of 30 feet of the user. The machine has brought blessed silence, peace and tranquility to the thousands of customers who already own them.

Muffler focuses only on cellular phone frequencies to disrupt cell phone signals received. This often leads to a high-pitched ringing in the ears of cell users, and many users appreciate a silencer.

The effect of this device has had on the use of cell phones in particular has been spectacular. The constant interruption during movies, plays, weddings, libraries, funerals, church and other functions have been incredibly small. Scientists have observed that the interruption of the constant babbling teenagers in their personal phones at all times has resulted conceivable that in their greater ability to focus and improve grades in school. Car accidents caused by cell phone distractions are reduced drastically.

A drop in the quiet unfortunate is that high-frequency tone starts threw dogs in the area which, in turn, be more annoying than the cells themselves. Another drawback is that people caught using the silencer know it's been a flurry of cell phones that do not work or get "whipped cell phone" for those rare individuals who actually engaged in an important call.

Lawmakers appear to be taking your time to decide on the issue of infringement in this case as they too are enjoying the freedom of constant calling and nonsense that comes with the explosion of popular cell phones.

Cell Phone Jammers for Enhancing Security

Camouflage Series of Cell Phone Jammers Introduced by 3 Dimensional Security3 Dimensional Security introduces their new camouflage series of mobile phone jammers which give a brand new & matchless tool for enhancing security. Specifically designed to blend in to the background, the SK-16A & SK-01F are effective, low-profile, long lasting, waterproof & inconspicuous mobile phone jammers are ideal for eliminating nuisance mobile phone calls as well as increasing security in prisons & other settings.

Richmond, British Columbia (PRWEB) June 24, 2008 -- 3 Dimensional Security, the Richmond British Columbia based distributor of security products for military, law enforcement & security professionals is now taking orders for their new camouflage series of mobile phone jammers. These long lasting jammers are offered with two jamming ranges & can be used inside or outside. In North America, the sale of these products is limited to government, law enforcement & military organizations.
"These low-profile mobile phone jammers are so inconspicuous nobody would know their mobile phone is being jammed," said Ken Yun, Director of Sales & Promotion at 3 Dimensional Enterprises Ltd. "These mobile phone jammers look amost like a small floor tile. When you hang one on the wall, it blends in & becomes an unobtrusive part of the environment"
The SK-16A & SK-01F camouflage mobile phone jammers are professional products designed for use by military, law enforcement, & government agencies.

Conventional mobile phone jammers look similar to a automobile stereo amplifier. Usually, there's three rubber omni-directional antennas connected to the top & they must be installed in a central location. In addition, conventional mobile phone jammers usually must be concealed because they would draw lots of attention if left exposed. The Camouflage mobile phone jammers address all those concerns. All that is visible is a square tile mounted to the wall. The antennas are built-in & incorporate a panel antenna design. The jamming signal is broadcast only in front of it & will reach a distance of up to 40 meters (using the SK-04E) or 60 meters (using the SK-01F). The width of the jamming signal is designed to cover a complete room.

The SK-04E & SK-01F are engineered to be on for 24 hours per day & even 365 days per year. This is a significant feature as other products designed for rare use will over-heat if left on continuously. Both models also come with an infra-red remote control that gives you the ability to turn the units on or off from a distance of up to 26-feet. All mobile phone jammers from 3D Wireless & Security can be tuned to match the mobile phone frequencies groups of any location in the world.
These camouflage mobile phone jammers are ideal for use in meeting rooms, conference rooms, restaurants, film theaters, schools, prisons, gas stations & high-security areas.

A mobile phone blocking device

The handy small devices will set you back around $50 to $80 & different models have different features & ranges. The jammers are obtainable all over the net under such names as Clam, CX-200, & the generic tool basically known as "Personal Cell Phone Signal Blocker Tool."

You will be feeling bad while you are in a restaurant & the person in the booth behind you is speaking loudly on his mobile phone, & you can listen to the conversation clearly. In case you ask him to cease the call, you risk having an uncomfortable dinner at best. In case you do say nothing, your night is ruined anyway.

While you listen to about cell phone jammers, you perhaps have a negative impression. After all, why would anyone require to cut off the communication of mobile phone users? By blocking mobile phone signals, teachers, students, & their classmates elude being distracted by ringing rings. More, students cannot cheat by sending Short messages to each other in the work of examinations.
There's lots of place needs to have a mobile phone jamming tool. High security locations can also benefits from mobile phone jamming because it can prevent illegal communication between inmates & visitors or between inmates & their outside counterparts.
In a more social setting, a mobile phone blocking tool can be of benefit in places like a picture theater, library or some other publics, where other patrons expect silence so they can enjoy their activities.
So, in case you cannot stand living in a world of instant mobile communication...then relief may be around the corner. be positive your "relief" won't cause a risk to anyone else. I listen to it is not currently legal for a U.S. citizen to make use of one of these... but that may change pending legislation allowing venues such as film theaters to make use of them. Currently in case you are caught using one of these...you could be in for an $11,000 dollar fine.