1. Gilt PCB and Small dimension and easy to embed into your project 2. Support I2C. SPI and HSU (High Speed UART), Change between those modes 3. Support RFID reading and writing, SupportP2P communication with peers, Support NFC with for Android phone 4. Typical Operating Distance have been updated to 5cm~7cm reading distance 5. Work in NFC Mode or RFID reader/writer Mode 6. RFID reader/writer supports: 1) 1k, 4k, Ultralight, and DesFire cards 2) ISO/IEC 14443-4 cards such as CD97BX, CD light, Desfire, P5CN072 (SMX) 3) Innovision Jewel cards such as IRT5001 card 4) FeliCa cards such as RCS_860 and RCS_854 7. Plug and play, for compatible 8. Built in PCB Antenna, with 4cm~6cm communication distance 9. On-board level shifter, Standard 5V TTL for I2C and UART, 3.3V TTL SPI 10. Work as RFID reader/writer 11. Work as 1443-A card or a virtual card 12. Exchange data with other NFC devices such as smartphone Color: As Shown Material: plastic Package Contents: 1 set * wireless module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.