Morse code

US /ˈmɔːrs koʊd/
UK /ˈmɔːrs koʊd/
"Morse code" picture
1.

codice Morse

a telegraphic code in which letters and numbers are represented by strings of dots and dashes (short and long signals)

:
The message was sent using Morse code.
Il messaggio è stato inviato usando il codice Morse.
Learning Morse code takes practice.
Imparare il codice Morse richiede pratica.