Bird flu and mobile phones

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MOBILE PHONES

Mobile phones are portable two- way devices that use radio frequency (RF) to send and receive voice and information. Your mobile phone communicates with a network of low powered radio tranceivers when a call is made. these transceivers are called base stations.

the mobile phone network operates on the basis of cells. Each cell requires a radio base station to make it work. there are three types of base stations. these are:

  • The macrocell: this is the largest type and it provides the main coverage for mobile phones networks.

  • The microcell: This is used to improve the capacity in places where the expectation to make calls is so high.

  • The Picocell: This only has a range of a few hundred meteres and maybe required to strengthen weak signals within large buildings.

Mobile phones are very popular and useful that almost every teenager and adult has one. mobile phones are used on buses, trams, road etc. they have come a long way. in the olden days, mobile phones were so big and heavy and allyou could do with was make and receive phone calls. nowadays, the latest phone gives the opportunity to surf the internet, listen to music, play games etc. however, there was a twist to all this when the world suddenly assumed it caused cancer in the 90's which left a lot of people worried. it was also made known that people living in France within 1000 feet (325etres) of GSM cell tower were experiencing headache, fatigue etc.

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in the early 90's, the telecom company spent 25 million dollars for a period of time to carry out more research projects to prove how safe mobile phones are but that wasnt the case. instead, they found that federal microwave exposure standards are insufficient. it was also found that the damage caused by mobile phones and also tumour can be initiated in the laboratory by one third of the FCC's exposure guidelines.

it was also made clear that high amount of micriwave to the head could be extremely dangerous  especially to children. a research from the university of ...

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