M5STACK RFID 2 Unit (WS1850S)

SKU: rz2439942
In Stock


  1. Product: M5STACK RFID 2 Unit
  2. Read and Write IC: WS1850S
  3. Operating frequency: 13.56MHz
  4. Communication protocol: I2C: 0x28
  5. Support protocol: ISO/IEC 14443 Type A/Type B protocol
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RFID2 is a radio frequency identification unit. Built-in WS1850S chip, working frequency is 13.56MHz. Supports reading cards, writing cards, recognition, recording, and encoding RF card Multiple functions such as authorization and authorization. Use magnetic field induction technology to realize non-contact two-way information interaction, and read and verify the information of proximity cards. It can be used in access control systems, check-in systems, warehouse goods entry and storage, and community vehicle entry and exit registration need Application scenarios for information verification.

Useful Link:

Please click here to download the Arduino example


  1. Operating frequency: 13.56 MHz
  2. I2C data rate: Fast mode: up to 400 Kbit/s; High-speed mode: up to 3400 Kbit/s
  3. Transceiver buffer: 64 bytes
  4. Supported protocols: ISO14443A, MIFARE, and NTAG
  5. Working temperature: -20℃-85℃


  1. Read and Write IC: WS1850S
  2. Operating frequency: 13.56MHz
  3. Communication protocol: I2C: 0x28
  4. Support protocol: ISO/IEC 14443 Type A/Type B protocol

Package Includes:

1 x RFID Unit

1 x HY2.0-4P cable