The ACR122U NFC Reader is a PC-linked contactless smart card reader/writer developed based on 13.56 MHz Contactless (RFID) Technology. Compliant with the ISO/IEC18092 standard for Near Field Communication (NFC), it supports not only MIFARE® and ISO 14443 A and B cards, but also all four types of NFC tags.
Please note this is the official ACS ACR122U NFC Reader not a knock of version. You'll find commonly online non-genuine versions which do not perform well and easily break. See here for the manufacturers official notice regarding it.
- 13.56MHz ISO14443A/B RFID & NFC Read/Write Operation
- ISO 18092, ISO 14443, PC/SC, CCID, EN60950/ISO 60950, CE, FCC, MIC, KC, VCCI, RoHS 2, USB Full Speed, Microsoft® WHQL
- Operating Distance Up to 50 mm (depends on the tag type)
Smart Card Interface Support
- ISO14443 Type A & B
- 4 types of NFC (ISO/IEC18092) tags
Operating System Support
- Win CE 5.0 and 6.0
- Mac OS®
- Android™ 3.1 and above
Using the ACR122U
Best software for reading and writing NFC tags Here. This device is also supported on a Mac as shown in the video bellow.