What is the working principle of 4G?

The high-level network architecture of LTE is comprised of following three main components:

How does 4G work? Using high-speed upload and download packets , 4G provides customers with access to broadband-style speeds from their mobile device, tablet or laptop. It is basically a radio system, with masts broadcasting 4G signals across the country.

Standard 4G (or 4G LTE) is around five to seven times faster than 3G, offering theoretical speeds of up to around 150Mbps . That equates to maximum potential speeds of around 80Mbps in the real world.