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This RFID module allows to both read and write MiFaretype RFID cards.
Operating Voltage: 3.3 VDC
working current: 13 to 26 mA
sleep current: < 80 uA
peak current: < 30 mA
working frequency: 13.56 MHz
Supported card types : Mifare cards
Interface / protocol: SPI
Controller chip: MFRC522
Data transmission speed: Max. 10 Mbit / s