1. Gilt PCB and Small dimension and easy to embed into your project2. Support I2C. SPI and HSU (High Speed UART), Change between those modes3. Support RFID reading and writing, SupportP2P communication with peers, Support NFC with for Android phone4. Typical Operating Distance have been updated to 5cm~7cm reading distance5. Work in NFC Mode or RFID reader/writer Mode6. RFID reader/writer supports:1) 1k, 4k, Ultralight, and DesFire cards2) ISO/IEC 14443-4 cards such as CD97BX, CD light, Desfire, P5CN072 (SMX)3) Innovision Jewel cards such as IRT5001 card4) FeliCa cards such as RCS_860 and RCS_8547. Plug and play, for compatible8. Built in PCB Antenna, with 4cm~6cm communication distance9. On-board level shifter, Standard 5V TTL for I2C and UART, 3.3V TTL SPI10. Work as RFID reader/writer11. Work as 1443-A card or a virtual card12. Exchange data with other NFC devices such as smartphoneColor: As ShownMaterial: plasticPackage Contents:1 set * wireless moduleOnly 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.