RMS Titanic had a radiotelegraph transmitter for its operational use.
RMS Titanic ( [ taɪˈtænɪk ] ) was a British passenger liner that sank in the North Atlantic Ocean in the early morning of 15 April 1912 , after colliding with an iceberg during her maiden voyage from Southampton to New York City . A high-power radiotelegraph transmitter was available for sending passenger `` marconigrams '' and for the ship 's operational use .