Prox cards or Proximity cards are type of smart cards that work on the principle of “contactless technology”. Unlike ATM, debit or credit cards, which requires a reader device to read the magnetic strip, proximity cards are designed in a different way.
What is RFID?

Radio-Frequency Identification or RFID are related to small electronic devices that are comprises of an antenna and a tiny chip which in a combined form are known as RFID tag or RFID transponder. RFID devises perform the same action as performed by a magnetic strip or a bar code on the back of debit or credit cards. The small chip offers specific identifier for the object. Similar to bar code and magnetic strips, RFID cards are also scanned for identification purpose and retri