RFID card is different chip inside, for example UHF, proximity EM4102, T5567, Mifare 1K, I CODE SLI, etc. It is available with hico magnetic strip, encoding, laser, etc.
Shapes: ISO card, disk tag, wristband, keychain/keyfob, laundry tag, metal tag Tag
IC: R/O, R/W
Chips: EM41...
Products: mifare smart card,
mifare card reader