radioteletype

[ rey-dee-oh-tel-i-tahyp ]
/ ˌreɪ di oʊˈtɛl ɪˌtaɪp /

noun

Also called ra·di·o·tel·e·type·writ·er [rey-dee-oh-tel-i-tahyp-rahy-ter, -tel-i-tahyp-rahy-] /ˌreɪ di oʊˌtɛl ɪˈtaɪpˌraɪ tər, -ˈtɛl ɪ taɪpˌraɪ-/. a teletypewriter equipped for transmitting or receiving messages by radio instead of wire.
the equipment relating to transmission by radioteletypes, taken as a whole.

Origin of radioteletype

1935–40; radio- + teletype

British Dictionary definitions for radioteletype

radioteletype
/ (ˌreɪdɪəʊˈtɛlɪˌtaɪp) /

noun

a teleprinter that transmits or receives information by means of radio waves rather than by cable or wire
a network of such devices widely used for communicating news, messages, information, etc
Abbreviations: RTT, RTTY