copy of ACS ACR1252U-M1 card reader USB Black, NFC Reader III

ACR1252U‑MF - NFC Reader Optimized for MIFARE with SAM Function

The ACR1252U‑MF is an NFC Forum-certified 13.56 MHz PC-linked contactless reader. It features a SAM (Secure Access Module) slot for key diversification and mutual authentication, increasing security in contactless transactions. Firmware upgrades are supported post-deployment without hardware modification.

It operates in three NFC modes: card reader/writer, card emulation, and peer-to-peer communication. With MIFARE optimization, it supports ISO 14443 Type A and B cards, MIFARE (including extended functions MIFARE 7-byte UID, MIFARE Plus, MIFARE DESFire), FeliCa, and ISO 18092-compliant NFC tags. Data transmission speed is up to 424 kbps, with a reading distance up to 50 mm depending on tag type.

Compliant with CCID and PC/SC, the reader is plug-and-play ready for integration with systems and applications. This model is ideal for payment card systems, user identification, and loyalty applications requiring advanced MIFARE support.

The net weight is 81 g; dimensions are 9.8 × 6.5 × 1.28 cm. Gross weight with packaging is approximately 0.106 kg.