IC manufacturer: American ISSI
RF protocol: iso14443a
Capacity: 1024bit
Chip model: issi4439
Chip manufacturer: ISSI
Response frequency: 13.56MHz
Technical parameters: issi4439 high frequency card can be swiped and written 50000 times, and the data is saved for 3 years; 1K memory; Readable and can store data; Erasure induction rate 1~2ms; Reading distance 20mm~40mm
Product type: iso14443 85.5*54*0.84mm non-standard special-shaped card
Packaging material: PVC ABS pet PETG
Scope of application: issi4439 high-frequency card can be used for enterprise / Campus All-in-one Card, office attendance access card, canteen consumption card, member charge, canteen charge card, bus stored value card, highway charge, recharge swipe consumption card, parking lot, community management and other contactless RF cards
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