noun
teletypewriter; teleprinter
A device that sends and receives typed messages over a communication line; now largely historical.
昔、新聞社ではテレタイプライターでニュースを受信していた。
In the past, newspaper companies received news via teletypewriters.
テレックス is a specific teleprinter network service, while テレタイプライター refers to the device itself.
Borrowed from English 'teletypewriter'.