We've seen them before, but possibly not quite as innocently dressed. Basically, the device prevents handsets from contacting their related towers, cutting off the signals and preventing anyone making a mobile phone call or cutting off a mobile phone in mid-flow, in your immediate vicinity. You jam the signal whilst looking like you're making a call of your own.
Unlike similar devices, this unit only uses 100mW of power - competing units throw out a rather alarming 900mW of energy. When you turn off the device, all services are, once again, restored.
Is it morally correct to use such a device? Is it morally right to broadcast your private business into everyone's ear within a 30 foot radius? Should teachers use them in examination rooms to prevent unscrupulous students and their nefarious ways? Let's just say that it's a debating point.
Costing $240 and available from the USA, it should work in the UK without problem as it handles UK voltage rates.
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