t is an contactless reader module based on the MFRC522 from NXP B.V.. Communication Via Serial makes it simple and easy-using. Compatible with ISO/IEC 14443 A/MIFARE cards, it supports all variants of the MIFARE Mini, MIFARE 1K, MIFARE 4K, MIFARE Ultralight, MIFARE DESFire EV1 and MIFARE Plus RF identification protocols, and the operating distance in Read/Write mode is up to 40 mm.

This module could be used in a variety of applications: Access management, Tracking of goods, Tracking of persons and animals, Toll collection and contactless payment, Machine readable travel documents, Smartdust (for massively distributed sensor networks), Tracking sports memorabilia to verify authenticity, Airport baggage tracking logistics and etc.

Features:

• Power supply 3.3 V/5V
• Support ISO/IEC 14443 A/MIFARE
• Support mifare1 S50、mifare1 S70、mifare UltraLight、mifare Pro、mifare Desfire
• Operating distance in Read/Write mode up to 40 mm
• FIFO buffer handles 64 byte send and receive
• SPI interface
• Working current 13~26mA
• Idle current 10—13mA
• Working temperature -25 ~ 85℃
• Size 71.00mm×40.90mm