DTR
DTR may refer to:
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Look up DTR in Wiktionary, the free dictionary.
Medicine
Technology
- Data Terminal Ready, a control signal in RS-232 serial communications
- Desktop replacement computer, portable, with desktop-like capabilities
- Digital Tape Recorder in spacecraft of the Voyager program
Others
- The Deuteronomist historian (Dtr)
- Dietetic Technician, Registered
- Dorian Thompson-Robinson (born 1999), American football player
- Downtown Radio, Northern Ireland
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