S70 Card/MIFARE Classic 4K

The S70 card is NXP's MIFARE Classic 4K chip, commonly known as the original M1 chip, with 4K storage capacity; Domestic M1 card refers to F08, F32N chips of Shanghai Fudan Micro. There are also some unknown domestic chips imitating Fudan M1. Before purchase, it is necessary to confirm the original chip and domestic chip brand, because the price difference will be relatively large.
The S50 card has 1K data storage area and the S70 card has 4K data storage area, but both are used for identity identification and all-in-one card consumption.
Product Name :MIFARE Classic 4K/S70 card (original M1 card 4K capacity)
Frequency :13.56MHZ
Storage capacity :4K
Erase life: 100,000 times
Operating temperature :-20℃--50℃
Read and write distance :3-10cm or more
Packaging material :PVC/PET using ultrasonic wave automatic wire planting/automatic welding package
Executive standard :ISO14443A
Application: identity identification, bus card, access control, attendance, consumption, one card, etc

S70 Card/MIFARE Classic 4K Appearance display：