How a Mobile Phone Works l Basic Guide

In the early 1990s, the mobile was a rare luxury.but in recent years it has almost every other gadget as a professional tool, domestic Convenience, and even a fashion accessory. Mobile phone has also shrunk in size. Due to rechargeable batteries which more electricity for longer in a small package.and to smaller, mire efficient electronics that use less electricity.

A mobile is basically a low power radio receiver transmitter, plus a tiny microphone to convert sound into electric signals, and. Smaller speaker that does the reverse.

When the mobile phone is activated, it send out a radio signal that is answered by nearby mast transmitter -receiver.
The phone locks onto the clearest signal and uses this while within range. This range of each transmitter is known as a CELL.

The mobile phone continuously moniter the signal strength and switches to alternative transmitter when necessary. The phones liquid crystal display (LCD)  shows number, letter, symbols and colour pictures.

Newer models have a larger screen for a more complex large image and commonly incorporate a camera, radio, mp3 and much more.

Smartphone which are increasingly widespread, contain additional software and more may be downloaded. Smartphone typically offer internet and email access, PDA-like function and may even contains GPS navigation and software.