The MIFARE Classic 1K with 1 Kbytes EEPROM read/write memory and is compatible with existing MIFARE infrastructures. 

Operating in accordance with ISO 14443A, MIFARE 1K functions at a distance of up to 10 cm with true anti-collision properties and without the need for a battery. 

The MIFARE classic family is the pioneer and front runner in contactless smart card ICs operating in the 13.56 

MHz frequency range with read/write capability. MIFARE  Classic 1K contactless card fundamentally used for storing memories, while a simple security mechanism divides the memories into segments. 

Therefore, it is ideal for high volume transactions in all different applications, such as transport ticketing, time attendance solutions, car parking, road-tolling etc. 

It is mainly used in closed systems as fixed value tickets.