Contact Ic Big Chip - White Pvc Smart Card. Features: ISO 7816 Compliant Pad Locations 1024*8 Bit EEPROM Organization Byte-wise Addressing Irreversible Byte-wise Write Protection of Lowest 32 Addresses (byte 0-31) 32*1 Bit Organization of Protection Memory 2-wire Link Protocol Answer to Reset According to ISO Standard 7816-3 Programming Time 2.5mS Per Byte for Both Erasing and Writing Minimum of 10000 Write/erase Cycles Data Retention > 10 Years Programmable Security Code (PSC) Data Write Only After Correct 3-byte PSC  Specifications: Product Name: FM4428/SLe4428 Contact IC Card Chip: FM4428/SLe4428 Model Number: SLE4428 Power: Passive Card Recognition Mode: Read-write Chip Capacity: 1K / 1024 Byte Contours: ISO Card Chip Type: Contact IC Card Size: 85.5*54*0.80 +- 0.04mm/CR80 Standard Compatible: FM4428 SLE5528 Chip  Product Type: PVC Card - SLE 4428  Media Size: CR80 - 3.38" X 2.13"  Mag Stripe Size: 5/16"  Print Technology: Dye Sublimation / Reverse Transfer - No Ink Jet  Material: Polyvinyl Chloride (PVC)  Product Line: SLE4428  Quantity: Lot of 10 Package Include: 20 pcs Per Inner Box . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.