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We're Jammin', Hope You Like Jammin' Too

theodp writes "Slate ponders whether a climate where anything can be photographed or surreptitiously recorded means the once-esoteric world of cell-phone jamming will become mainstream. Sites now offer portable cell-phone jammers that can provide you with the same kind of security bubbles used to thwart industrial spies, hostage-takers and bomb detonators. While actively jamming a cell-phone signal is illegal in the US, a distributor reports most of his sales go to US customers, including universities which use the technology to stop students from diddling away on phones during lectures."

23 of 422 comments (clear)

  1. Signal Jamming? by l3prador · · Score: 5, Insightful

    What? Wouldn't blocking the cell phone signal only prevent the person from sending the picture off? The photograph could still be taken and simply sent later, once the cell phone is away from the jamming signal, right?

  2. Aw man... by OtakuHawk · · Score: 5, Funny

    At first I thought this post had something to do with music!

  3. Nice. by The_Unforgiven · · Score: 5, Funny

    I wouldn't mind being able to jam phones within, say, 10 feet of me. One of my biggest pet peeves is people on their cell phones. Because, you know, the further away they are, the louder you have to yell into the phone for them to hear you...

    --
    http://wsulug.org
  4. Jammer locator... by ericspinder · · Score: 5, Interesting
    so you can leave it out on a restaurant table and no one will know you're the source of the blissful silence in the room
    Great so now not only will I need to be sure that I only go to (or even pass through) places which don't jam, but I have to worry about random people as well. I suspect next they'll sell, jammer tracking locators, so that I can find out which jerk thought blocking me from my responsabilities was within their rights. I can only imagine what that type of fight will be called... maybe Jamming Rage?
    --
    The grass is only greener, if you don't take care of your own lawn.
    1. Re:Jammer locator... by Tokerat · · Score: 4, Insightful


      If I ever caught a random person jamming my cel phone because they thought cel phones where "annoying", I think I would honestly commit a homicide via severe beating. This anti-celphone crap is really out of control.

      I know, some places like quiet nice resteraunts and the movies are not the time or place, but if I'm walking down the street, you have about as much right to tell me to get off the phone as you do to tell me to shut up when I'm talking to the person next to me.

      Damn easily-annoyed whinny bastards. Probably the same people who are offended when their ATA drive says "Master/Slave" on the jumpers...

      --
      CAn'T CompreHend SARcaSm?
  5. Illegal in the US? by Trbmxfz · · Score: 4, Informative

    Sorry, but we cannot sell this cell phone jammer to UK customers

    Apparently, it's not very legal in the UK either :)

  6. Yes! by Feztaa · · Score: 4, Interesting

    Cell phone jamming should be legalized, and it should become more widespread.

    I'd specifically like to see cell-phones jammed in movie theaters, and schools. I'm pretty good about shutting my phone off when I go to these places, but sometimes I forget, and sometimes when I forget, I get calls... it'd be a whole lot easier if the building disabled the phone for me, so I don't have to.

    1. Re:Yes! by Txiasaeia · · Score: 5, Insightful
      That kind of attitude is pretty lame - "I'm too lazy to remember to turn my cell off; can somebody else do it for me?"

      If people like you actually turned off your freaking phones in theatres and at school, maybe jammers as described in the article wouldn't need to exist...

      --
      Condemnant quod non intellegunt.
  7. Jamming= Illegal by pvt_medic · · Score: 5, Informative

    The operation of transmitters designed to jam or block wireless communications is a violation of the Communications Act of 1934, as amended ("Act"). See 47 U.S.C. Sections 301, 302a, 333. The Act prohibits any person from willfully or maliciously interfering with the radio communications of any station licensed or authorized under the Act or operated by the U.S. government. 47 U.S.C. Section 333. The manufacture, importation, sale or offer for sale, including advertising, of devices designed to block or jam wireless transmissions is prohibited. 47 U.S.C. Section 302a(b). Parties in violation of these provisions may be subject to the penalties set out in 47 U.S.C. Sections 501-510. Fines for a first offense can range as high as $11,000 for each violation or imprisonment for up to one year, and the device used may also be seized and forfeited to the U.S. government

    From
    http://wireless.fcc.gov/services/cellular/operatio ns/blockingjamming.html

    --
    30% Troll, 50% Underrated, 10% Interesting
    Score:5, Troll
  8. Stupid. by Jeremiah+Cornelius · · Score: 4, Interesting
    Try jamming local storage.

    CF and Memory Stick expansion is beginning to be commonplace in these camera phones. Jamming delays transmission from "100% Live", but does little else.

    You want to shoot X-Rays strong enough to wipe Flash Mem? Be my guest!

    --
    "Flyin' in just a sweet place,
    Never been known to fail..."
  9. Tempting. by DrEldarion · · Score: 4, Insightful

    While I'm tempted to use this to silence those inconsiderate bastards in the movie theaters, there is a LOT of risk involved. How would you feel if, because of your jamming, someone didn't get an important emergency phone call and got fired / dumped / beaten senseless / etc.? If something were to happen because they didn't get a call, and it was found out that you were jamming the phone, could you be held liable for any proven damages?

    Regardless of how rude it is for people to be talking on cell phones anywhere and everywhere, you have no right to decide for yourself, "They shouldn't be talking, so I'll stop them."

    1. Re:Tempting. by bogie · · Score: 4, Insightful

      That's their problem not yours if you or the establishment is using the device responsibly. For exampe in the movie theather their should be a big sign outside saying cellphones are not allowed. You want to go to the movies? Leave your cellphone at home. Expecting an emergency call that could get you fired/dumped/etc? DON'T GO TO THE MOVIES.

      "Regardless of how rude it is for people to be talking on cell phones anywhere and everywhere, you have no right to decide for yourself, "They shouldn't be talking, so I'll stop them.""

      I agree in most places you just have to live with it. At the same time in places like Movies, Hospitals, Library's, Elevators I consider it your right to terminate their call. The cell phone users aren't considering your rights, why consider theirs?

      --
      If you wanna get rich, you know that payback is a bitch
    2. Re:Tempting. by carpe_noctem · · Score: 4, Funny

      I agree in most places you just have to live with it. At the same time in places like Movies, Hospitals, Library's, Elevators I consider it your right to terminate their call.

      That's no fun. It's a lot more entertaining to see if you can get them to end it for you:

      Them: "yeah.... yeah... sounds good, well, I'll take care of that right away blah blah blah"
      You (loudly, to friend): "Oh, man, so last night, my girlfriend suck her finger up my ASS right she started to suck me off, and I fucking CAME with a VENEGENCE."
      Friend: "Oh yeah? No shit?!"
      Them: "...."
      You: "Yeah, and you won't BELIEVE what happened after THAT!"
      Them: "erm, Bob, I'm gonna have to call you back.... I'll catch you in the office tomorrow... ok yeah, goodbye"

      --
      "Quoting famous computer scientists out of context is the root of all evil (or at least most of it) in programming." - K
  10. I'm glad... by Throat+constant · · Score: 5, Funny

    I don't have a cell phone. There's too much drama involved.

  11. Legal Jamming by pvt_medic · · Score: 5, Interesting

    While it is clearly illegal to jam the signal their is nothing against constructing buildings that jams the signal by just the nature of how the radio signal travels through the building.

    HEre an article on home to legal jam cell phones.

    --
    30% Troll, 50% Underrated, 10% Interesting
    Score:5, Troll
  12. Re:good by Txiasaeia · · Score: 4, Insightful
    (Lest we forget that banks still have landlines, and hundreds of portable jammers couldn't stop them...)

    Sometimes, though, cell phones are absolutely necessary - my wife is pregnant, right? What happens if I'm at a movie or at school when she goes into labour? Not only would she be royally pissed off once I actually got out of the movie/class (some classes are 3 hours long), but what happens if something went wrong?

    Regulation isn't going to help. Jammers like these aren't going to help. What would help is people all punching out a guy with a live cell phone in a theatre if it wasn't a critical call. Let social engineering do the work.

    --
    Condemnant quod non intellegunt.
  13. Safe Haven by nodwick · · Score: 4, Informative
    If you read the fine print (which actually isn't on the product page as far as I could tell, they say that you have to have an "approved phone". From The Register:
    The snag is that Safe Haven technology needs to be integrated at the time of manufacture into new devices or installed as a Java download update to suitable equipment already in the market.

    "You need to have an approved camera," Blagden admitted, adding that the incorporation of Sade Haven technology is unlikely to affect handset prices.

    In other words, like most DRM-type schemes, it only works if your camera "supports" this feature. And just like DRM, I don't think it's going to be very popular among consumers -- this is a "feature" that benefits the guy trying to stop the camera user, not the guy buying and paying for the phone. I'd especially think that industrial spies would be smart enough to get a phone that didn't support this.
  14. Re:mixed bag to be sure by Brandon30X · · Score: 5, Informative

    Well that's not exactly a great idea, now you would be transmitting a signal, just like a cell phone, as well. And the other persons phone will still try to keep in contact with the tower, so it will transmit periodically, so now you have two devices transmitting RF radiation near the medical equipment. Jamming is like screaming in someone's ear in order to keep them from hearing someone else talk.

    --
    Quitters never win, Winners never quit, But those who never win and never quit are idiots.
  15. Re:Cellphones are the Anti-Christ, Cameras in Clas by kgbkgb · · Score: 5, Insightful

    I will use my psychic mind reading powers to say that you must be atleast 35.

    How come every generation of old people feels the need to criticize every new technology that comes around by mis-characterizing it?

    I have no interest in being on an electronic leash, forced to be accountable to someone - somewhere

    If you put yourself in a situation where you're "on an electronic leash", then that's your fault. Do you realize that you don't have to answer a cell phone whenever it rings? It's pretty nifty technology, you have to press a button to answer it.

    If you say that the advantages of having a cell phone aren't worth it for you, that's fine. But the only real disadvantage is how much it costs and having to carry it in your pocket. The whole leash thing simply tells me something about your relationship with the would-be leash-holder.

    I imagine some older folks didn't like the telephone when it came out - I refuse to be on a leash when I'm at home, forced to be accountable to someone - somewhere.

  16. If only it were legal... by Angram · · Score: 4, Funny

    I think a taser might be a more interesting solution.

    They have a stand-off distance of 15 feet, so you should have no problem creating a nice quiet area around you.

    Happy hunting ;)

    --

    GL
  17. Re:Cellphones are the Anti-Christ, Cameras in Clas by BigBlockMopar · · Score: 5, Insightful

    I will use my psychic mind reading powers to say that you must be atleast 35.

    Heheh... Nope, but I'm old beyond my years.

    How come every generation of old people feels the need to criticize every new technology that comes around by mis-characterizing it?

    Actually, I love technology; my career choices undoubtedly reflect that.

    If you put yourself in a situation where you're "on an electronic leash", then that's your fault. Do you realize that you don't have to answer a cell phone whenever it rings? It's pretty nifty technology, you have to press a button to answer it.

    I know. But the reality is that when the phone rings, you feel obliged to answer it. Then, pretty soon, it's a nuisance and makes you feel guilty.

    Of course, you can turn off the ringer. Then, the problem becomes, "Huh-NEEEEEEE... Why didn't you answer the phone when I called? What were you doing?"

    People become accustomed to being able to reach you and talk to you about every stupid little thing that happens in their lives.

    For the very same reason I eschew land-line telephones or ICQ and other messaging systems, and like e-mail: It's a constant interruption. With e-mail, on the other hand, the sender can send the message when it's convenient for them. I can then read it and reply when it's convenient for me. Telephones, in particular cellphones, require it to be convenient for both parties to talk at the same time.

    If you say that the advantages of having a cell phone aren't worth it for you, that's fine. But the only real disadvantage is how much it costs and having to carry it in your pocket. The whole leash thing simply tells me something about your relationship with the would-be leash-holder.

    Okay. Try this. Turn off your cellphone for a week. Tell me what you get from your friends. "I tried to call you, but you didn't answer." Endlessly. You've built up the expectation that you will be available to discuss all sorts of stupid things, including the weather, any time they're feeling bored in the lineup at the grocery store.

    My friends know how I feel about cellphones, and telephones in general. We communicate by e-mail. We arrange to get together to drink beer by e-mail.

    I imagine some older folks didn't like the telephone when it came out - I refuse to be on a leash when I'm at home, forced to be accountable to someone - somewhere.

    For sure. But there's still the escape with a regular telephone. If you don't answer your land line, they assume that you're out. If you don't answer your cellphone - which, by tradition, is always with you - then they assume that you're ignoring them.

    --
    Fire and Meat. Yummy.
  18. Re:Cellphones are the Anti-Christ, Cameras in Clas by kgbkgb · · Score: 5, Insightful

    Not terrible arguments, but I still maintain you're putting yourself in that situation. Tell your wife and friends:
    "Look... I don't feel like answering my phone all the time, and I don't always have it on me anyway. Leave a message."

    I know when I call someone's cell phone and they don't answer, I assume they don't have it on them or they're in an area where they don't get service.

  19. Speaking of self-righteous- How do you know me! by ericspinder · · Score: 4, Insightful
    How do you know my reality, I didn't say all of my conversations are important (but for some it might be most), please don't take my comments out of context, just to FLAME ME. My cellphone is the life line to my son, who has had several serious medical problems, I wouldn't feel confortable leaving him with, even his grandparents, but for that damn cellphone you hate so much. Granted, I haven't gotten that call I fear so much, but...

    Sure, some cellphone users are inconsiderate, but you don't blame every driver on the road, just the ones who drive recklessly. Also, I find it interesting that you talk about revenge, isn't dropping people conversations a form of revenge for their offending you with their conversations? When you get your jammer, I doubt if you'll politely ask anyone "Do you mind me making the service you pay for and posibly need unavailable", or will you just decide for them.

    Just because you were wondering about my reality, my bill tells me that I use about 150/minutes a month, I'd say 20% are work related, and 60% my wife, and the other 20% my family. I am not a "heavy cellphone user", but I need to be sure that the phone is on. When my phone vibrates (I always keep it on vibrate and in my pocket), and I am in a public place, I answer it with a short low "hello", then either "I'm sorry I can't talk right now" or "hold on", but then again I am generally very civil. Maybe that is how you act, but I seem to think of you as less civil.

    A definition of self-rightous is someone who would do an illegal act just because they think they are right. Not paying attention to the road (cellphone, radio, sex) is often called reckless driving, and as others have pointed out jamming transmitions of radio is also illegal. Both of those are wrong.

    --
    The grass is only greener, if you don't take care of your own lawn.