Since the most remote times, communication always was a fundamental aspect for the armies and Armed Forces. Over the years, many methods of communication had been used for sending information such as: homing pigeons, visual signalling. (a) The technological Innovations in the military communication started in XIX century. First by the use of the telegraph invented by Samuel Morse (b) and, later with the telephone invented in 1876 by Alexander Bell. (c)

In the beginning of the XX century, the military communications developed quickly, based in the termionic valve, which gave birth to new technologies like the radio and the radiotelephony.