Concept of cellular phones
We all would use the cell phone very badly ,without it we would be so difficult so let us let see the concept of the cellular phones . The concept of cellular phones was conceived in 1947 The first automatic analogue cellular phones was made in 1960,Japan introduced commercial models in 1979,Motorola was first company to introduce cell phones in 1980’s USA Chumma kaila vachurunda mattum poduma?Idhelam therinjikonga………