“In a trend that is starting to alarm mobile phone network companies, retailers say they are receiving hundreds of US orders for such gadgets every month.
The technology is not new but the popularity of such devices – which can be as small as a cigarette packet and just as easy to conceal – is growing in tandem with mobile phone use.
… The majority of jammer buyers want them for rather more self-interested purposes – namely to end annoying interruptions on the bus, train, restaurant or cinema.
Buyers reportedly include restaurateurs, hair salon owners, hoteliers, bus drivers and commuters.
… Phone users will immediately see a “no network” signal on their handset as its link with the nearest transmitter mast is cut.”
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