Keywords |
  • Internet


3G refers to the 3rd generation of telephones. The second generation from the beginning of the 1990s was based on the GSM (Global System for Mobile communication) network, with the arrival of mobile telephony. 3G is based on UMTS (Universal Mobile Telecommunications Systems), a complete departure from the previous networks. This technology requires new antennas to be installed and new telephones to be sold ...

A mobile phone.

A mobile phone.


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