This document provides an overview of mobile phones and their history. It discusses the evolution of mobile phones from early radio telephone technology to modern smartphones. Key points include:
- Mobile phones originated from two-way radios in vehicles and were developed by Bell Labs in the 1940s-1960s.
- The first commercial mobile phone was introduced in 1983 by Motorola. Early mobile phones were large and installed in vehicles.
- Modern smartphones emerged in the 2000s, combining mobile phone and computing capabilities.
- Mobile phones now have numerous features like cameras, internet access, apps and more.
- Standardization on technologies like SIM cards, charging ports, and networks enabled global adoption of mobile phones.