The ACR122 from ACS is a popular desktop USB contactless NFC RFID smartcard reader/writer in a light-weight case. It can be connected directly to your computer. The NFC RFID operate at 13.56mhz frequency with reading distance up to 50 mm (5 cm). The NFC RFID device is able to read, write and duplicate (copy) your smart card and RFID tags code.
The NFC RFID device Supports all 3 modes of NFC: reader, card emulation and peer-to-peer modes. With built-in anti-collision feature (at least 1 card is detected when multiple cards are presented).
The NFC RFID device supports all known types of RFID tags/cards/ stickers. It supports ISO14443 type A & B, for Mifare, for FeliCa, 4 types of NFC (ISO/IEC18092) tags, Mifare ultralight C (via pseudo APDUs) and for Mifare plus SL1 (4 Byte UID, via pseudo APDUS) and SL3.
Specifications
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