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.