twice in communications history, with slightly different meaning. it was initially used from about for the first radio transmitting and receiving technology, as in wireless telegraphy , until the new word radio replaced it around . the term was revived in the s and s mainly to distinguish digital devices...
twice in communications history, with slightly different meaning. it was initially used from about for the first radio transmitting and receiving technology, as in wireless telegraphy , until the new word radio replaced it around . the term was revived in the s and s mainly to distinguish digital devices...