Features: PN532: 1. PCB is small in size and easy to embed in your project. 2. Support I2C.SPI and HSU (high speed UART), switch between these modes. 3. Support RFID reading and writing, Support P2P communicate with peers, support NFC and Android mobile phones. 4. Typical working distance has been updated to 5cm~7cm reading distance. 5. Working in NFC mode or RFID reader mode. 6. RFID reader support: a. 1K, 4K, Ultralight and DesFire cards. b. ISO / IEC 14443-4 card, such as CD97BX, CD lamp, Desfire, P5CN072 (SMX). c. Innovision Jewel card, such as IRT5001 card. d. FeliCa cards, such as RCS_860 and RCS_854. 7. Plug and play compatible. 8. Built in PCB antenna, communication distance 4cm~6cm. 9. On board level converter, I2C and UART standard 5V TTL, 3.3V TTL SPI. 10. Work as RFID reader. 11. Working as 1443-A card or virtual card. 12. Exchanging data with other NFC devices, such as smart phones. PL2303HX: 1. Built in TTL COM PC-PL2303HX chip. 2. Standard USB A type male and TTL 4 pin connector. 3. Simple and easy-to-use way to provide USB support for your design. 4. Suitable for Linux, WinCE and Windows (XP, 2003), Vista Win 7 Specification: PL2303HX long lineorder definition: Black cable -- GND Green cable --SCL White cable --SDA Red cable ------VCC PL2303HX line order definition: GND-GND,VCC-5.0V,SDA-RXD,SCL-TXD Weight: Approx.55g/1.9oz Package list: 1 * PN532 module 1 * ID white card 1 * ID induction key chain card 1 * 2.54 bent pin 4P 4 * wire 1 * PL2303HX Service Cable 1 * PL2303HX USB to TTL module 1 * 2.54 bent pin 8P