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  1. #1
    Senior Member randya's Avatar
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    Cell Phone Jammers

    They are illegal in the US, but a growing market exists.

    Quote Originally Posted by NYT
    As cellphone use has skyrocketed, making it hard to avoid hearing half a conversation in many public places, a small but growing band of rebels is turning to a blunt countermeasure: the cellphone jammer, a gadget that renders nearby mobile devices impotent.

    The technology is not new, but overseas exporters of jammers say demand is rising and they are sending hundreds of them a month into the United States — prompting scrutiny from federal regulators and new concern last week from the cellphone industry. The buyers include owners of cafes and hair salons, hoteliers, public speakers, theater operators, bus drivers and, increasingly, commuters on public transportation.

    The development is creating a battle for control of the airspace within earshot. And the damage is collateral. Insensitive talkers impose their racket on the defenseless, while jammers punish not just the offender, but also more discreet chatterers.

    “If anything characterizes the 21st century, it’s our inability to restrain ourselves for the benefit of other people,” said James Katz, director of the Center for Mobile Communication Studies at Rutgers University. “The cellphone talker thinks his rights go above that of people around him, and the jammer thinks his are the more important rights.”

    The jamming technology works by sending out a radio signal so powerful that phones are overwhelmed and cannot communicate with cell towers. The range varies from several feet to several yards, and the devices cost from $50 to several hundred dollars. Larger models can be left on to create a no-call zone.

    Using the jammers is illegal in the United States. The radio frequencies used by cellphone carriers are protected, just like those used by television and radio broadcasters.

    The Federal Communication Commission says people who use cellphone jammers could be fined up to $11,000 for a first offense. Its enforcement bureau has prosecuted a handful of American companies for distributing the gadgets — and it also pursues their users.
    http://nytimes.com/2007/11/04/techno...excamp=mkt_at1

  2. #2
    Dude wheres my guads? skinnyone's Avatar
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    I am tempted to put one in my car that jams every cell phone yakking jack ass that I pass on the road.

  3. #3
    Gorntastic! v1k1ng1001's Avatar
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    Quote Originally Posted by skinnyone View Post
    I am tempted to put one in my car that jams every cell phone yakking jack ass that I pass on the road.
    Better yet, auto makers should be required to build them into new cars.

  4. #4
    Dude wheres my guads? skinnyone's Avatar
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    Quote Originally Posted by v1k1ng1001 View Post
    Better yet, auto makers should be required to build them into new cars.
    Yeah but its kinda tough though.. emergencies, passengers are scenarios that are not easily solved. And my proposed plan doesnt solve it either.

  5. #5
    la vache fantôme phantomcow2's Avatar
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    If you're crafty enough, you should be able to solder one together.
    I soldered a radio jammer a few years ago. It was only good for around 100mhz because I used that frequency crystal oscillator, but that's all I needed it for
    C://dos
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  6. #6
    Senior Member Michigander's Avatar
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    ^^

    I just love good improvisation.
    Bring back the Sig Test!


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  7. #7
    Dude wheres my guads? skinnyone's Avatar
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    Michigander, do you post on Epicski? I got a reply for a post out there from the exact same handle!

  8. #8
    Senior Member Michigander's Avatar
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    Huh? What's epicski? What do you mean handle?
    Bring back the Sig Test!


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  9. #9
    Crankenstein bmclaughlin807's Avatar
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    Quote Originally Posted by skinnyone View Post
    I am tempted to put one in my car that jams every cell phone yakking jack ass that I pass on the road.
    The bad half of that plan:

    Oncoming car with driver talking on the cell phone approaches close enough to be within range of your jammer and loses his call.... where do you suppose that person's attention is now at?


    Answer: It's NOT on driving, or oncoming traffic, etc. Said driver is now staring at his phone and fiddling with it, trying to figure out why he lost his call... while crossing the centerline and slamming headfirst into you and killing both of you.

    yup. Sounds like a great plan to me.
    "There is no greater wonder than the way the face and character of a woman fit so perfectly in a man's mind, and stay there, and he could never tell you why. It just seems it was the thing he most wanted." Robert Louis Stevenson

  10. #10
    Banned. timmyquest's Avatar
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    Sorry, that is awesome.

    Perhaps a good time for a funny story. I'm at my barber, who is an old WWII Navy guy running an old run down barber shop, and through his front window we watch a women spend 10 mins trying to park her truck while on the cellphone.

    He tells me how much he hates those things etc. I agree with him and tell him why i think they are a pain in the ass and what have you. Next thing i know my cell phone rings full blast. I go to push the button that would not accept the call but instead pushed the speaker button and the person on the other line starts talking.

    Hypocrite anyone?

  11. #11
    The Rock Cycle eofelis's Avatar
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    Quote Originally Posted by bmclaughlin807 View Post
    The bad half of that plan:

    Oncoming car with driver talking on the cell phone approaches close enough to be within range of your jammer and loses his call.... where do you suppose that person's attention is now at?


    Answer: It's NOT on driving, or oncoming traffic, etc. Said driver is now staring at his phone and fiddling with it, trying to figure out why he lost his call... while crossing the centerline and slamming headfirst into you and killing both of you.

    yup. Sounds like a great plan to me.
    A local road ride in these parts is the Rim Rock Road in Colorado National Monument. The road climbs up onto a plateau and 20 miles later descends down again. On the east side of the NM the road goes through a long unlighted tunnel, uphill. This part of the road is used by tourists and by the people who live in a community up on the plateau. Many people ride bikes on this road and through the tunnel. It scares me though. I keep a big blinky light on my road bike so I am visible in the tunnel. When traffic is heavy sometimes I stop a motorist and ask them to follow me through the tunnel for safety.

    I can envision someone driving up the switchbacks, yakking on their cell phone, They get into the tunnel and lose service, and instead of paying attention to whether there is a cyclist in the tunnel ahead of them, they are looking down at their phone, wondering what happened......
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  12. #12
    Crankenstein bmclaughlin807's Avatar
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    Quote Originally Posted by timmyquest View Post
    Sorry, that is awesome.

    Perhaps a good time for a funny story. I'm at my barber, who is an old WWII Navy guy running an old run down barber shop, and through his front window we watch a women spend 10 mins trying to park her truck while on the cellphone.

    He tells me how much he hates those things etc. I agree with him and tell him why i think they are a pain in the ass and what have you. Next thing i know my cell phone rings full blast. I go to push the button that would not accept the call but instead pushed the speaker button and the person on the other line starts talking.

    Hypocrite anyone?
    : points and laughs :
    Last edited by bmclaughlin807; 11-08-07 at 01:02 AM.
    "There is no greater wonder than the way the face and character of a woman fit so perfectly in a man's mind, and stay there, and he could never tell you why. It just seems it was the thing he most wanted." Robert Louis Stevenson

  13. #13
    Senior Member FlyingAnchor's Avatar
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    Where can one order one of those neat toys? Just askin.

  14. #14
    The Wheel is Turning The Figment's Avatar
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    What I think would be a good Idea is to only use a cell phone jammer if it is permanently installed in a building ie Restaurant,Theater,library or places that peace and quiet are the norm. Lotsa big signs everywhere,letting folk know they are entering a "Cell Free Zone",and a land line or three for emergency calls.
    In just a few years all automobiles will have high-speed internet at the push of a button so if you think phones are a distraction for drivers,wait till you start hearing the line " He was surfing for Pron and drifted off the road".

  15. #15
    The Site Administrator: Currently at home recovering from a couple of strokes,please contact my assistnt admins for forum issues Tom Stormcrowe's Avatar
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    Quote Originally Posted by Michigander View Post
    Huh? What's epicski? What do you mean handle?
    Handle = Screen name
    on light duty due to illness; please contact my assistants for forum issues. They are Siu Blue Wind, or CbadRider or the other 3 star folk. I am currently at home recovering from a couple of strokes. I am making good progress, happily.


    . “He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you.”- Fredrick Nietzsche

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  16. #16
    Hazardous Taerom's Avatar
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    I almost never use my cell phone in public. Sure, people who talk really loudly in places that should be kinda quiet (libraries, classrooms, etc) are annoying, but I think these 'jammers' are a pretty bad idea. Try making a call in an emergency, but the signal is jammed, and someone dies. If I ever saw someone using a jammer near me, I would probably punch them if the face, steal the jammer, break it, then call the police on my cell phone and try to have the person arrested.

  17. #17
    No Rocket Surgeon eubi's Avatar
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    The judge, jury and executioner aspect of these jammers...it's scary.

    Supression of our personal freedoms is the government's job, not yours!

    I don't get why people want to deprive other people of their freedoms...just to feel superior?

    I hear the arguement: "People talk extra loud into their cell phones". I've noticed that people that talk loudly into a cell phone talk loudly to the person next to them, so who cares if they're on a phone or not.

    I know, some people use phones were they are completely inappropriate, but boors have been with us since humans began. Jammers are just a cowardly substitute for not telling the person to tone it down.

    Some people drive distractedly while on a cell phone. Not good at all. But are you distracted when you jam them?

    Where does it end?

    Dont like the radio station someone's listening to? Jam it.

    Don't like the TV show someone's watching? Jam it.

    Don't like what someone's looking at on the internet? Jam it.

    Don't like the jelly someone uses? Jam it?

    Fewer Cars, more handlebars!

  18. #18
    Portland Fred banerjek's Avatar
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    Quote Originally Posted by phantomcow2 View Post
    If you're crafty enough, you should be able to solder one together.
    I soldered a radio jammer a few years ago. It was only good for around 100mhz because I used that frequency crystal oscillator, but that's all I needed it for
    I'm kind of curious what you'd want to jam at that frequency and why...

    When I was little one of my bros and I made a TV jammer when one of our house guests (we would sometimes have guests who stayed many months) spent all day watching soap operas. It worked great. My folks approved of the gizmo.

  19. #19
    Dude wheres my guads? skinnyone's Avatar
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    Quote Originally Posted by bmclaughlin807 View Post
    The bad half of that plan:

    Oncoming car with driver talking on the cell phone approaches close enough to be within range of your jammer and loses his call.... where do you suppose that person's attention is now at?


    Answer: It's NOT on driving, or oncoming traffic, etc. Said driver is now staring at his phone and fiddling with it, trying to figure out why he lost his call... while crossing the centerline and slamming headfirst into you and killing both of you.

    yup. Sounds like a great plan to me.
    No way the driver reacts fast enough unless my jamming radius > 10m. Which is highly unlikely.

  20. #20
    Senior Member Michigander's Avatar
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    Quote Originally Posted by Tom Stormcrowe View Post
    Handle = Screen name
    OH.

    Well in that case no. Although, I do go by that name on SKSboards.
    Bring back the Sig Test!


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  21. #21
    Dude wheres my guads? skinnyone's Avatar
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    Quote Originally Posted by Michigander View Post
    OH.

    Well in that case no. Although, I do go by that name on SKSboards.
    oh ok. Epicksi is ski/snowboard forum out to-gether by Epic Ski Academy.

    And there is a person on EpicSki called Michigander and he replied to one of my posts. Secret admirer maybe

  22. #22
    Gears? CliftonGK1's Avatar
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    They're not expensive to build, but you do need soldering skills.

    Search the words "wavebubble" and "ladyada" and you should find what you're looking for.
    "I feel like my world was classier before I found cyclocross."
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  23. #23
    Banned. ModoVincere's Avatar
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    Best cell phone jammer ever.

  24. #24
    POWERCRANK addict markhr's Avatar
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    http://www.advanced-intelligence.com/counter.html?2371

    indiscrete



    discrete



    either way they're not exactly cheap

    edit - cheaper still http://www.globalgadgetuk.com/rx9000.htm
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    Don't run red lights, wear a helmet, use hand signals, get some cycle lights(front and rear) and, FFS, don't run red lights!

  25. #25
    Wood Licker Maelstrom's Avatar
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    Quote Originally Posted by skinnyone View Post
    I am tempted to put one in my car that jams every cell phone yakking jack ass that I pass on the road.
    I could just imagine,

    "can you hear me..." oh **** it didn't work, whats with the lack of coverage in this one spot...the dork with glasses looks around and sees some skinny ****er in the corner with a jamming device laughing his ass off.

    Now THAT would be a commercial.

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