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MI card overview.
M1 card, also known as RF card, consists of IC chip and induction antenna, encapsulated in a standard PVC card, without any exposed part of the chip and antenna. It is a new technology developed in the world in recent years, which successfully combines RF identification technology and IC card technology, ending the problem of passive (no power in the card) and contact-free, and is a major breakthrough in the field of electronic devices.
M1 card chip classification.
1、s50
2、s70
1、Chip type Philips Mifare 1 IC S50
2, storage capacity of 8Kbit, 16 partitions, two sets of passwords per partition
3、Working frequency 13.56 MHz
4、Communication rate 106KBoud
5, read/write distance 2.5 ~ 10cm
6、Reading and writing time 1～2ms
7、Working temperature -20℃～55℃
8、Erasure life 100,000 times
9, data storage 10 years
10、Form factor ISO standard card 85.6x54x0.82
11、Packaging material PVC, PET, PETG, 0.13mm copper wire
12、Encapsulation process ultrasonic automatic wire implantation automatic touch welding
13、Execution standard ISO14443A
Typical application enterprise campus card, bus stored value card, highway toll, parking lot, community management, membership card, membership management, etc.
1、Capacity is 32K bit EEPROM
2, divided into 40 sectors, of which each sector of 32 sectors has 64 bytes of storage capacity, divided into 4 blocks of 16 bytes each; block as the access unit to block as the access unit
3, each sector has an independent set of password and access control
4, each card has a unique serial number, 32-bit
5、With anti-collision mechanism, support multi-card operation
6、No power supply, with its own antenna, containing encryption control logic and communication logic circuit
7, data retention period of 10 years, can be rewritten 100,000 times, read an unlimited number of times
8、Operating temperature: -20 ℃ ~50 ℃ (humidity is 90%)
9、Working frequency: 13.56MHZ
10、Communication rate: 106 KBPS
11, read-write distance: within 10 cm (related to the reader). s70 is the upgrade chip of S50, its performance and memory is relatively high.
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