1. 1 Cell phones has become in recent years the main technology used by millions of people worldwide. Almost thirty years of constant evolution in communications have allowed these devices to be considered essential.
2. 1G: The first generation: It is important to note that in the 1980s these devices represented an important evolution in mobile communications
3. 2G: The second generation: In the 90s the digitization of communications was achieved, with which mobile telephony achieved excellent voice quality
4. 2.5G: transition generation: In this generation, the text EMS message service that could include sounds and icons was invented.
5. 3G: The third generation: Increased data transmission and reception capacity, better communications security, possibility to connect to the Internet
6. Thnx Miss!! Luis Rodrigo Giron Roldan 2nd curse B
7. 4 In the year of 1973
8. 3 Invented by Motorola USA
9. 5 The first cell phone was Motorola DynaTac 8000X
10. 2 Cell phones are so called basically because the physical area they cover has a cell format
11. 6 These weren't very popular at first because they were big, heavy, and expensive
12. 4G: The fourth generation: Services such as Spotify, Netfix or Google Music were included to enjoy audio content, series or movies in high definition, all thanks to high speed
