An RFID transponder for a medical instrument and/or for an endoscope includes at least one printed circuit board carrying an antenna embodied as at least one conductor track of the printed circuit board and an RFID circuit coupled to the antenna, wherein the at least one printed circuit board has a substantially ring-shaped embodiment and the at least one conductor track is embodied on a radially extending surface of the printed circuit board. A medical instrument and/or endoscope including an RFID transponder, and to an assembly method for a medical instrument and/or endoscope including an RFID transponder.
