{"product_id":"mifare-classic-13-56mhz-rfid-nfc-card-1kb","title":"MiFare Classic (13.56MHz RFID\/NFC) Card - 1KB","description":"\u003cp\u003eThis is a blank 13.56MHz RFID\/NFC card - often used for train\/bus passes but also found in other systems where a proximity card is desired. The tag contains a small RFID chip and an antenna, and is passively powered by the reader\/writer when placed a couple inches away.\u003c\/p\u003e\n\u003cp\u003eThese can be read by almost any 13.56MHz RFID\/NFC reader but make sure it can handle ISO\/IEC 14443 Type A cards as there are a few other encoding standards (like FeLica) They are tested and work great with both the \u003ca href=\"\/en-eu\/products\/pn532-nfc-rfid-controller-breakout-board-v1-6\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ePN532 NFC\/RFID breakout board\u003c\/a\u003e and \u003ca href=\"\/en-eu\/products\/adafruit-pn532-nfc-rfid-controller-shield-for-arduino-extras\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eAdafruit NFC\/RFID Shield for Arduino\u003c\/a\u003e!\u003c\/p\u003e\n\u003cp\u003eThese chips can be written to \u0026amp; store up to 1 KB of data in writable EEPROM divided into banks, and can handle over 100,000 re-writes. You can use the \u003ca href=\"\/en-eu\/products\/pn532-nfc-rfid-controller-breakout-board-v1-6\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ePN532 NFC\/RFID breakout board\u003c\/a\u003e or \u003ca href=\"\/en-eu\/products\/adafruit-pn532-nfc-rfid-controller-shield-for-arduino-extras\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eAdafruit NFC\/RFID Shield for Arduino\u003c\/a\u003e to read and write data to the EEPROM inside the tag. There is also a permanent 4-byte ID burned into the chip that you can use to identify one tag from another - the ID number cannot be changed.\u003c\/p\u003e\n\u003cp\u003eThese use a ISO\/IEC 14443 Type A chipset, which used to be the 'classic' NFC chipset. In ~2014, the NFC forum decided not to support this chipset anymore, so newer phones do not support it. This only matters if you're trying to use this tag with a phone\/tablet.\u003c\/p\u003e\n\u003ch2\u003eTECHNICAL DETAILS\u003c\/h2\u003e\n\u003cp\u003eRFID chip specification:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 KiloByte (8 KiloBit) non-volatile EEPROM storage\u003c\/li\u003e\n\u003cli\u003eBuilt in encryption engine with 48-bit key\u003c\/li\u003e\n\u003cli\u003e4 Byte unique identifier burned into the chip\u003c\/li\u003e\n\u003cli\u003e13.56 MHz frequency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTag specification:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e85.5mm x 54mm x 1mm \/3.36\" x 2.1\" x 0.03\"\u003c\/li\u003e\n\u003cli\u003e6.3 grams \/ 0.2 oz\u003c\/li\u003e\n\u003cli\u003eWorks about 4\" away from reader\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":5409301441,"sku":"ADA359","price":2.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0174\/1800\/products\/359-00_1605a956-fade-4a34-8e7c-d9a5745c01b0.jpg?v=1576595001","url":"https:\/\/shop.pimoroni.com\/en-eu\/products\/mifare-classic-13-56mhz-rfid-nfc-card-1kb","provider":"Pimoroni Ltd","version":"1.0","type":"link"}