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RFID tags are not detected by RFID reader - Knowledgebase / Troubleshooting - Evogence Helpdesk

RFID tags are not detected by RFID reader

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This problem may occur when the tag reading distance exceeds the detection range or when two RFID readers are installed in close proximity to one another.

  1. Check the distance between your RFID card or key fob and RFID reader. The maximum distance for correct tag reading is approximately 11cm (5") for RFID cards, 7cm (3.5") for RFID key fobs.
  2. The minimum distance between two RFID readers should exceed 1 meter. Two or more RFID readers installed in close proximity will interfere with each other.

Note: After successful reading of a tag, the lamp will flash green.

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