PN532 NFC MODULE
- Operating Voltage : 3.3V ~ 5v
- Support I2C, SPI, and HSU (High-Speed UART)
- I2C / UART: 3.3V ~ 24V TTL
- SPI: 3.3V TTL with 100-ohm resistors in series
- Plug and play, Arduino compatible
- Built-in PCB Antenna
- Communication distance: 5cm-7cm
- Easy to change mode: with a small SMD Toggle Switch
- Longer distance: the reading distance becomes 5~7cm,
- On-board level shifter, Standard 5V TTL for I2C and UART 3.3V TTL SPI
- Work as an RFID reader/writer
- Work as a 1443-A card or a virtual card
- Support NFC with Android phone
- Small size
- Dimensions: 42.7*40.4*4mm