... SLE4442, SLE4428, SLE5542, SLE5528, SIEMENS chip and Chinese chip both availableContactless IC card: 3.Contactless IC cardIC available at 125KHz nominal:TK4100, EM4100 ... KEY TAG, KEY CARD, Rfid Key fobs & tagsproduct details4.IC available at 13.56MHz nominal:NXP Mifare1 S50, Mifare1 S70 ... dual interface card, to add another contact chip, available to punch a slot 5.IC chip at UHF(ISO18000-6B, 6C)UCODE ...