What 4G frequencies are used by operators to deploy very high-speed mobile?
Since November 2012, mobile telephone operators have started rolling out 4G, no contract fibre broadband , and are already offering new offers. But what is 4G? How does it develop? What will it change in our daily life? 4G ( Fourth generation) 4G (or Fourth generation) is a new technological advance in mobile telephony, which succeeds 2G and 3G. The second-generation (2G) corresponds to the arrival of the new communication standard for mobile phones: GSM (Global System for Mobile Communication). It improves international voice communications and allows, thanks to the digital circulation of data, the sending of SMS. The Third Generation (3G) represented by the UMTS standard offers fast speeds ranging from 2 to 42 Mb / s and thus initiates access to the Internet from a mobile, as well as video viewing and video telephony. 4G, under the LTE-Advanced standard, is today a real revolution since it offers a multiplication of speeds thanks to two phenomena...