Beside the mobile phone specifications, GSMArena is happy to also provide you with its own country-based frequency band directory. It's not operator-specific and it's helpful if you are choosing a ...
2G, first introduced in 1992 ... 4G is the fourth generation of mobile phone communications standards. It is a successor of the 3G and provides ultra-broadband internet access for mobile devices.
Beginning 4, DIGI launches its commercial operations in Portugal, offering a wide range of services for individual users: fiber optic broadband internet, mobile voice and data on 2G/4G/5G networks, ...