Mobile phones


In telecommunication, a wireless phone, cellular mobile or cell phone (in the United States), also called a mobile phone in other English speaking countries, is a mobile communications system that uses a combination of radio wave transmission and conventional telephone … Read More



The telephone or phone is a telecommunications device designed to transmit speech by means of electric signals. It was invented around 1860 by Antonio Meucci who called it teletrophone. The first recorded public demonstration of Meucci’s invention took place in … Read More

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