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 or 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_854.8. 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 7Specification:PL2303HX long lineorder definition:Black cable - GNDGreen cable - SCLWhite cable - SDARed cable - - - VCCPL2303HX line order definition: GND-GND,VCC-5.0V,SDA-RXD,SCL-TXD Weight: Approx.55g or 1.9ozPackage list:1 x PN532 module1 x ID white card1 x ID induction key chain card1 x 2.54 bent pin 4P4 x wire1 x PL2303HX Service Cable1 x PL2303HX USB to TTL module 1 x 2.54 bent pin 8P