Definitions
Device that receives a signal and automatically sends a reply.
Used in a sentence
“36 MHz transponder providing a pool of 794 reallocatable frequencies.”
“Adult animals were implanted with E-Mitter transponders intraabdominally to record body temperature and locomotor activity continuously.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Reply beacon”11 letters
Not quite right?
"Search similar patterns."
T__________