1.When the caller start the call the electromagnetic field transmit from his mobile antenna which received by the closest base station “BS”.
2.Then the signal transmit from the BS to the switching center “SC” in order to check the authentication of the caller and receiver.
3.After that the SC will transmit the signal to the closest BS in the receiver side
4.Next the BS is going to transmit electromagnetic waive which should be received be the receiver mobile antenna.
5.Finally after the receiver open the line the two way communication connection establish between two persons.
*The increased use of cell phones has brought about serious concerns regarding the probable health hazards. This is because mobile phones use electromagnetic radiation in the microwave range.
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