Módulo de escritura/lectura MF RC522 SPI para Arduino: B7376 Manufacture / Chip: NXP U CODE HSL(SL3 ICS30) Protocolo: ISO 18000-6 Tipo B(UHF) Memory: UID 64Bits(in memory bytes 0-7), Read-Only User: 216Bytes, R/W Frequency: 860~960MHz Working distance: 5-10M (According to the reader and workplace environment) material: PVC+Al Etching Antenna (Can do high temperature resistant PET) Erasable times: 100,000 times Data retention: 10 years ESD: ±1KV (HBM) Human being …