Electromagnetic interference plays an important role in environmental protection

The new mayor of Turin, Appendino, is a member of the five star movement party, which values environmental protection and health. Last week, he said he wanted children to know the benefits of being a vegetarian from a young age, and he grew up eating vegetarian food to reduce the environmental pollution of livestock.

In the policy address, Appendino added that electromagnetic is also a kind of pollution, so there will be no WiFi cell phone jammer in public, primary and government offices in the city in the future. But the city will ensure that the city has high-speed broadband access.

Electromagnetic interference even extends to military operations

In a positioning application, we have the reciprocal problem: instead of trying to geolocate a transmitter relative to ourselves, we are trying to geolocate ourselves relative to a set of transmitters. But of course we use the same techniques: GPS is an excellent example of a TOA system.

Russian electronic interference with the Finnish & Norwegian GPS networks began early September, 2017 and was decided to be kept classified by Norwegian authorities until the exact nature of the scenario was determined.

The Russian military is currently buying jamming devices and plans to install them on cell towers. The idea is simple: the kremlin can start these 4G jammer during the conflict and pray that the jammers will reduce the precision of the onslaught of American missiles.

President bush was said to have even called Russian President vladimir putin. Germany’s military technology magazine reported that in the end because of a great disparity in strength, and Iraq to get only a handful of GPS jamming device at the time, can’t connect the network, these devices are eventually destroyed by us troops. In recent years, south Korean media have reported that north Korea has had a number of massive GPS interference with South Korea, and its technology has come from Russia.

In recent years, with the rapid development of modern communication technology, the use of high-tech cheating in examination room means emerge in endlessly, the university entrance exam cheating tools by the initial pager, mobile phone, and then the handset and then to today’s digital products, appearance is for the ruler, rubber, glasses boxes, stationery bags, watches, cheating tools such as mineral water bottles, exams have emerged in various countries. In order to prevent cheating, the authorities have effectively prevented and discouraged cheating in the examination room by using mobile phone block apparatus, metal detector, wireless signal jammer and warning suppression equipment.

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