| Mobiles used in high-tech terror | |
| 出处：英文锁定 | 日期2004-04-06 |
 Mobile phones are in the hands of millions of people around the world. And increasingly, it appears, in the hands of terrorists.It means that you can step away some considerable distance...Mobile phones are in the hands of millions of people around the world. And increasingly, it appears, in the hands of terrorists. The bombers who targeted commuter trains in Madrid on March 11 used the built-in alarm clock in mobile phones to set off explosives. In Jerusalem, it is believed a call to a cell phone in a rucksack set off a bomb at Hebrew University in 2002. David Claridge, of the Risk Advisory Group, said: "Mobile phones are relatively cheap, you can acquire them in relatively large numbers and place them and set them off at your leisure. "It means that you can step away some considerable distance, the other side of the world, in order to initiate the explosive device." However there are products on the market to stop the use of mobile phones in terrorist attacks. One phone-sized device can block cell phone signals in a 20-foot radius. And larger devices can block signals reaching an entire building. Governments are using similar technology. It is widely reported a radio jammer inside the car of Pakistani President Pervez Musharraf stopped an attempt to assassinate him last December. The U.S. Department of Defense has plans to block larger areas. The technology would deny the enemy the use of all radio communications, including mobile phones, on the battlefield. 百灵编辑：茂军  | |
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