... RFID card is different chip inside, for example UHF, proximity EM4102, T5567, Mifare 1K, I CODE SLI, etc. It is available ... , encoding, laser, etcShapes: ISO card, disk tag, wristband, keychain/keyfob, laundry tag, metal tagTagIC: R/O, R/WChips: EM4102, T5567, Mifare 1K ... : 53.98±0.05mmthickness 0.8±0.04mmmaterial :PVC.PET ISO standard EM4100 cards