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Old 16 November 2007, 03:59 PM
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Simon 69
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Default Does it surprise you to know...

... that short range GSM/PCN and GPS jammers can be bought in Hong Kong for about £20 each? So: for £20 (or £40 if you are really thorough) you can completely circumvent a GSM based GPS tracking system!

Simon
Old 16 November 2007, 04:09 PM
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Brendan Hughes
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Does that mean you could stand at a major junction in a city and cause multiple pile-ups watching all the deliverymen/ salesmen not knowing where they're going?

Sounds terrible.
Old 16 November 2007, 04:26 PM
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Perhaps... Itll be handy for people who drive around with a satellite lo-jack, who want a little peace and quiet. The cellular phone jammer would provide far more semi-legitmate opportunities though. Restaurants, the cinema, public transport...
Old 16 November 2007, 04:47 PM
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...sorry for sounding dumb, but what does it do really?
Old 16 November 2007, 04:49 PM
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And utterly illegal under the Radio and Telecommunications Act.

As its a GSM jammer - it basically jams mobile phones, rather than peoples TomToms. Certainly bad news for those of us with Trackers fitted to our cars; good news for car theives.

Last edited by Prasius; 16 November 2007 at 04:52 PM.
Old 16 November 2007, 05:01 PM
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Two seperate items, both just over US$40. One is a GSM/PCN jammer interfering with 900MHZ/1800MHz and 3G signals and the other is a GPS jammer interfering with the 1.5GHz band (or thereabouts) which NAVSTAR operates on.

The nett result is that cellular phones and GPS receivers in a relativley close proximity, fall over.

Simon
Old 16 November 2007, 05:07 PM
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wwp8
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Originally Posted by Prasius
And utterly illegal under the Radio and Telecommunications Act.

As its a GSM jammer - it basically jams mobile phones, rather than peoples TomToms. Certainly bad news for those of us with Trackers fitted to our cars; good news for car theives.
why?
and the point of it???
Old 16 November 2007, 05:57 PM
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For people with GSM based tracking devices (mobile phone attached to a GPS unit that sends back current location via SMS when it receives a request via SMS) it means that these units can be used to jam their signal so that the tracking unit cannot receive GPS positions to give to the GSM which won't be able to get a signal...

IE Toerags nicking cars
Old 16 November 2007, 06:01 PM
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Simon 69
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Just as stilsons, slide-hammers and big f*ck-off screwdrivers have a legitimate use, so do these sort-of legitmate). As with the above, they can be used for mischief too. Of the two, I was more surprised to see the GPS jammer.
Old 16 November 2007, 07:25 PM
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When road pricing is introduced the government has already thought about the jamming implications. They will tackle this through several different means from what I remember.

1) Large penalties for trying to jam.successfully jamming a GPS tracker
2) The possibility of immobilizing the car without a signal
3) Large penalty fine for using a car without a valid tracking signal.

You don't think they are just going to let us off now do you?
Old 16 November 2007, 08:45 PM
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simon, could you let me know where to get one of these please. I have tried to pm you but it says you are full?

George
Old 17 November 2007, 09:07 AM
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Hang on so does this mean that when you're on a train and someone is screaming into a phone "I'm on the train...I'M ON THE TRAIN!" at the flick of a switch I can shut them up?
Were do I sign up?

Last edited by andrewdelvard; 17 November 2007 at 09:08 AM. Reason: spelinn
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