radioteletype

[rey-dee-oh-tel-i-tahyp] /ˌreɪ di oʊˈtɛl ɪˌtaɪp/
noun
1.
Also called radioteletypewriter
[rey-dee-oh-tel-i-tahyp-rahy-ter, -tel-i-tahyp-rahy-] /ˌreɪ di oʊˌtɛl ɪˈtaɪpˌraɪ tər, -ˈtɛl ɪ taɪpˌraɪ-/ (Show IPA)
. a teletypewriter equipped for transmitting or receiving messages by radio instead of wire.
2.
the equipment relating to transmission by radioteletypes, taken as a whole.
Origin
1935-40; radio- + teletype
British Dictionary definitions for radioteletype

radioteletype

/ˌreɪdɪəʊˈtɛlɪˌtaɪp/
noun
1.
a teleprinter that transmits or receives information by means of radio waves rather than by cable or wire
2.
a network of such devices widely used for communicating news, messages, information, etc
Abbreviations RTT, RTTY