Keytag RFID Card IC available at 125KHz Nominal TK4100,EM4100,EM4102,EM4450 Material: ABS Temperature:-25~+50 degree Keytag RFID CardAccess control card RFID TagH4100,H4120,EM4450,TK4100 ... ,EM4100,EM4102,EM4450NXP Hitag1,Hitag2,HitagS256,HitagS2048Atmel temic 5567IC available at 13.56MHz NominalNXP Mifare1 S50,Mifare1 S70,Desfire MF31CD41 Keytag RFID Card