Storage capacity: 8Kbit, 16 partitions, two passwords per partition; Working frequency: 13.56MHZ Communication speed: 106K boud Read and write distance: 2.5 ~ 10CM (different depending on the read head) Read and write time: 1 ~ 2MS Working temperature: -20 ℃ ~ 85 ℃ Erasing times: more than 100,000 times Data retention: more than 10 years Packaging material: PVC Packaging process: ultrasonic automatic value line / automatic bump welding Scope of application: community access elevator cards, time cards, meal cards, water cards, etc. It is used with the RDM630 RFID card reader module.