This is based on RF module RC522 near field communication module.
Its working frequency is 13.56MHz and you can read and write a 13.56MHz tag with this module.
Features:
- Standard shield interface, perfectly compatible with Arduino UNO / MEGA2560.
- Very easy to use with the library for Arduino: RFIDMaster.
- Operating voltage: 4.5~5.2V.
- Interface logic level: Onboard level converter chip, compatible with 3.3V / 5V.
- Operating current: 13-~26mA.
- Idle current: 10~13mA.
- Sleep current: <80uA.
- Peak current: <50mA.
- Operating Frequency: 13.56MHz.
- Supported card types: mifare1 S50, mifare1 S70 MIFARE Ultralight, mifare Pro, MIFARE DESFire.
- Data transfer rate: maximum 10Mbit/s.
- Application: Smart home project, Voice broadcast access control system, Attendance punch card system.