The Package includes a Reader/Write module with a RFID card and RFID keychain. The Rfid operates on 13.56MHz enabling two way (read and write) contact less communication with a transmission rate up to 424 Kbit/s. It also supports the ISO 14443A/MIFARE standards. It is commonly used in attendance systems and security systems to provide authorization. The specifications of the module are given below.

RC522 Module Specifications: 

• Operating Voltage: 3.3V
• Operating Current: 13-26 mA
• Operating Frequency: 13.56MHz
• Communication Interface: SPI protocol
• Reader Distance: less than 5cm
• Data Transfer Rate: 10Mbit/sec(max)