ISO 14443A MF1K S50 RFID Card
The MF Class 1K contactless smart card is based on NXP MF1 IC S50, which is connected to a coil with a few turns and then embedded into plastic to form the passive contactless smart card. The communication layer (MF RF Interface) complies with part 2 and 3 of the ISO/IEC14443A standard. It is contactless transmission of data and energy and no battery is needed.

MF 1K Card (NXP and compatible MF 1k both available)
1. Chips: MF 1K
2. Dimension: CR80(85.5X54mm) or as customer's requirement
3. Frequency: 13.56MHz
4. Standard ISO14443A
5. EEPROM Size: 1024 Byte
5. Material: PVC or ABS
6. Options: Signature panel, LOCO/HICO Magnetic Stripe, embossing letter and number, barcode, sequential numbering, Gold/Silver card, frosted card. 
7. Application: Mifare 1K Key Card is widely used: 

Public Transport: Subway tickets, bus RFID ticket
Access Control: Payment membership card, time attendance, game ticket, Logistics, hotel management, transportation, library and campus, Parking lot system and Consuming system, anti-fake label, warehouse management, productioin line