NFC Module for Arduino -DFRobot

code : b9003 applications contactless payment systems bluetooth and wi-fi connections social networking situations, such as sharing contacts, photos, videos or files electronic identity documents and keycards smartphone automation and nfc tags specification working voltage: 3.3v or 5v host interface: uart default band rate: 115200 bps integrate pn532 nfc controller supports iso 14443a/mifare supports iso 14443b in reader/writer mode only typical max operating distance for detecting nfc tags from 20 to 50mm depending on the antenna size of the tag serve for contactless communication at 13.56mhz size: 11cm x 5cm(4.33"x1.97") documents wiki doc dfrobot*com/wiki/index*php/nfc_module_for_arduino_(sku:dfr0231) arduino code dfrobot*com/image/data/dfr0231/nfcmodulesketch''zip