How to determine the type of RFID card?

Question

RFID

All the best! I have several different RFID cards, among them there are two that suit me (the rest are also working, but not like). How can I determine what type these two cards are in order to purchase more of them?
sl500 card reader available

Answer 1

You need to look at the specification of the reader and compare the characteristics of suitable cards. And then search on the Internet.
Or look for software to determine the type of card, sometimes you can find it from the reader manufacturer.

Answer 2

This card reader is mifare type. flipping cards through it. What squeaks is mifare, what does not squeak is em marine or other hids