This article provides information about which frequencies the NFC/RFID reader supports  

The NFC/RFID reader, E001004, operates in the 13.56 MHz frequency band only, it will not support low frequency cards such as 125Khz proximity cards.



Specs for the reader which includes the above supported frequency information is on the Elo website at the following url: https://www.elotouch.com/accessories-nfc-rfid.html