Arduino RFID keychain tag

Main Chip: Philips Mifare 1 S50;
Storage capacity: 8Kbit, 16 partitions, each partition with 2 group passwords;
Size: 30 * 40 * 3mm;
Operating Frequency: 13.56 MHz;
Communication speed: 106K Baud;
Read and write distance: 2.5 ~ 10cm;
Read and write time: 1 ~ 2ms;
Operating Temperature: -20 ° ~ 85 °;
Endurance: > 100,000 times;


Typical applications:
enterprise/campus card, bus stored-value card, expressway fees, parking, district management, attendance systems, patrol systems, enterprise systems, access control systems, radio frequency identification field, and so on.