Description:
    The dual frequency passive RFID cards are come in three combinations: HF+UHF, HF+LF and UHF+LF. The HF inlay is in accordance with the ISO 14443 standard (which can also be used for NFC applications), while the UHF inlay complies with the ISO 18000-6C standard and the LF inlay operates at 125 or 134 kHz compliant with proprietary air-interface standards for access control.