THE PHONE

Along the XXI century, mobile phones have adquired features that are more advanced. In the late 1950s scientist Leonid Ivanovich developed a mobile comunication system. This mobile phone was created in January 1957. The first automatic coommercial networkwas to NNT  in Japan in 1974. The first mobile`phone in EEUU was by the Motorola company  (Dynatac 8000x).The model was created by enginner Rudy Krolopp Motorola in 1983. Motorola developed new models: The Motorola Microtoc in 1989 , and the Motorola StartTAC, in 1996 . Martin Cooper was the creator of this technology , he is "the father of the cell phone", he introduced the first radio-phone in 1973, in EEUU, while he was working for Motorola .