MF1 card, can be issued to different types of cards with different functions to open the lock, can be reported lost, recycled and reused.

Specifications of Philips Mifare 1S50 card:
Chip: Philips Mifare 1 IC S50
Working Frequency: 13.56 MHz
Capacity: 1K byte
Working temperature: -20 ~ +50?
Read times: =100,000times
Data can be saved for 10 years
Minimal read time:=100ms
Eeprom size: 8Kbit, 16 sections to write different data.
Communication speed: 106KBoud
Material: PVD
Standard: ISO14443A