What does Personal Cellphone Signal Blocker do?

Fed up with clueless cell phone gabbing in public? Put an immediate cease to it with this personal cell phone signal blocker. Walking on a transportable battery that lasts five to six hours, this 6-ounce pocketable cell phone signal blocker(4"x1.85"x.71") disrupts signals from GSM, CDMA, DCS, PHS & 3G networks, & its manufacturer says it can do this miracle within a radius of...uh oh, get this: 2 to 40 feet.

Isn't it illegal to use a cell phone signal blocker?

Probably it is illegal to use a cell phone signal blocker, but not if you are the president. So, if you are reading the Giz, you are in the clear. In some circumstances, the morality of jamming mobile phone signals within a 40 foot range might be debatable. Even so, there is a train they ride from time to time that could definite use a dose of this phone signal blocker, all the way from engine to caboose. If this phone signal blocker could give us one sweet nap on the train, free of mobile phone yelling, it would be well worth.

Some people who have used the cell phone signal blocker say it works beautifully, while others are complaining they can not get it to work in the United States. We are thinking that it is of limited usefulness if it can only jam signals within 2 feet, but 40 feet away is a whole different story.

Read more:
http://www.instructables.com/id/DIY-a-Cell-Phone-Jammer-Kit-for-Fun/

What Benifits Do Cell Phone Jammer Kits Bring to us?

A cell phone jammer kit is a tool that assists to send out radio signals to severed connections between the ccell phone and cellular base-stations surrounded by divergent synchronized area. But the picture was not same at on a regular basis. In the preliminary days, military and police department people used to make use of cell phone jammer kit mostly and the same job was done to break up or barge in connections between ruffians, felons and dreaded terrorists.

The situation has changed to a giant extent by now. Contrary to earlier days, these days, cell phone jammer kit is used by different sections of people. It's turned out to be a highly beneficial tool to all people to bring forth cell phone-free environs within inadequate range. Perhaps you can surely conceive how a cell phone jammer kit can land you a hand in restaurants, theaters, temples, church buildings, schools, departmental stores, meeting halls and others.

There have been plenty of evolutions or developments in the type of cell phone jammer kit as well. In the beginning cell phone jammer kit could be found with large antennas climbing on trailers & these were hard to hold. There has been a substantial change by now & these days plenty of different & user-friendly models along with an assortment of dimensions are in the market. These are done so as to go well with the dimension or magnitude of the cell rings. There is no particular location of this transportable cell phone jammer kit; any such gizmo consists of a covering array of very 50 to 80 feet. There is & a division between the transportable cell phone jammer kit. One of the four is networks in Europe & Asia together with a frequency of 900-1800 MHz. Another one is for the Americas & Canada networks together with the frequency of 1900 MHz. It is for the user to find out the most apposite cell phone jammer kit for him or her.

Read more:
http://www.sanepr.com/New-Device-Blocks-Cell-Phone-Signals-in-the-Car_158275.cfm

How to Make A Portable Cell Phone Jammer?

Many people are very interested in making cell phone jammer by themselves nowadays. Are you one of them? Do you know how to make a portable cell phone jammer by yourself? Here are some videos for you:


And another:

Criminals Jam Radios, Phones

An increasing number of criminals are using widely available technology to block police communications, according to police.
The devices — known as jammers — can create dead zones where police radio and cellphone transmissions are disabled.
The cell phone signal jammer can be bought on dozens of websites for between $100 and $200, according to Abbotsford police Const. Ian MacDonald.
The devices can create a communications-free zone up to 200 metres in diameter, which can interfere with police operations such as the execution of search warrants, MacDonald said.
Handheld units can deaden a zone about 20 metres wide, he said.
Most devices illegal
"It's a reality in the policing world," MacDonald said of the new technology.
"Dependent on how many of these ultimately make it to market and ultimately are purchased by consumers, it may become more of a reality for us."
Abbotsford police believe a number of the units are in use in the community, but they have not yet seized any, MacDonald said.
Macdonald said a particular concern is police safety in situations where an officer might be calling for backup or help but cannot communicate with others.
More info about cell phone jammer kit at: http://secsur.blogspot.com/2010/07/cell-phone-gps-jammer-god-complex-with.html