Mobile phone how work
In the most basic form, a mobile phone is essentially a two-way radio, consisting of a radio transmitter and a radio receiver. When you chat with your friend on your mobile phone, your phone converts your voice into an electrical signal, which is then transmitted via radio waves to the nearest cell tower. The network of cell towers then relays the radio wave to your friend’s mobile phone, which converts it to an electrical signal and then back to sound again. In the basic form, a mobile phone works just like a walkie-talkie.
In additional to the basic function of voice calls, most modern mobile phone come with additional functions such as web surfing, taking pictures, playing games, sending text messages and playing music. More sophisticated smart phones can perform similar functions of a portable computer.
Radio frequency
Mobile phone use radio waves to communicate. Radio waves transport digitized voice or data in the form of oscillating electric and magnetic fields, called the electromagnetic field (EMF). The rate of oscillation is called frequency. Radio waves carry the information and travel in air at the speed of light.
In additional to the basic function of voice calls, most modern mobile phone come with additional functions such as web surfing, taking pictures, playing games, sending text messages and playing music. More sophisticated smart phones can perform similar functions of a portable computer.
Radio frequency
Mobile phone use radio waves to communicate. Radio waves transport digitized voice or data in the form of oscillating electric and magnetic fields, called the electromagnetic field (EMF). The rate of oscillation is called frequency. Radio waves carry the information and travel in air at the speed of light.
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