HOW TO USE THIS MODULE? PLS refer to this Instruction video: https://www.youtube.com/results?search_query=MFRC522+RFID+Module
It is an contactless reader module based on the MFRC522 from NXP B.V.. Communication Via Serial makes it simple and easy-using.MFRC522 IC working voltage of 3.3V, the power to the module, do not mistake the input voltage!
This module could be used in a variety of applications: Access management, Tracking goods, Tracking 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.
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.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 1.97 inch
Height : 0.39 inch
Length : 3.15 inch

Item Weight: 0.48 ounce (View shipping rates and policies)
Shipping Weight: 0.48 ounce (View shipping rates and policies)

ASIN : B06XXDJS7V