Both proximity and contactless cards employ the same fundamental technology–radio frequency identification (RFID)–for operation.
Are proximity cards NFC?
MIFARE/PROX card also operate on 125 khz and it can be detected by deivce nfc. @ishanjain MIFARE/Prox are hybrid cards made of a Prox chip (+antenna) and a MIFARE chip (+ antenna). The MIFARE product family operates on 13.56 MHz and shares protocols with NFC.
Are HID cards NFC or RFID?
HID cards, also called prox cards, proximity cards & access control cards, are cards that use RFID embedded technology. HID card readers are used in access control systems to open doors.