cell phone

from:

 shahed hafy

to:

nasreen teacher

1876 BCE

A way to help deaf people in their lives was a simple transmitter and receiver with wires

1919 BCE

A device that calls the desired number directly without the need for a call adapter

1882 BCE

A phone is attached to the wall and consists of a receiver holder and a pole that diverts the call to the desired contact

1928 BCE

A phone that can be fully carried, meaning that the speaker and the earpiece are on the same arm

1937 BCE

The phone is equipped with a dial that sounds the buzzer when a call comes in

1973 BCE

It contains buttons to dial the number and in the same year the mobile phone that works remotely without the need for wires was invented

After that, mobile phones developed rapidly. Nowadays, you see a new phone every day