1 gen 1991 anni - 2G was released in 1991 2G is a short notation for second-generation cellular network, a group of technology standards employed for cellular networks. 2G was commercially launched on the GSM standard in Finland. 2G utilizes a digital communication system instead of analogy, and therefore allows text as wall as calls to be sent. It also encrypts data between the phone and cell tower.

Descrizione:

Source:
https://en.wikipedia.org/wiki/2G#2.5G_(GPRS)

Aggiunto al nastro di tempo:

Data: