Panasonic CF-20 Series Operating Instructions And Reference Manual page 116

Contactless Smart Card Reader/RFID Reader
<Only for model with Contactless Smart Card Reader/RFID Reader>
You can read the data from RFID (Radio Frequency Identification) tags / Smart Card.
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Contactless Smart Card Reader is typically used with specialized applications. For further information, ask the system administrator.
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1. Aim the center of RFID tag / Smart Card at the Contactless Smart Card Reader.
Continue operation by using the specialized applications.
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Operation distance depends on RFID tag / Smart Card.
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