1)13.56MHz RFID reader module 2)interface:SPI, IIC,UART 3)Mifare reader module Detailed Product DescriptionRFID reader ... YLMF-22 1)13.56MHz RFID reader module 2)interface:SPI, IIC,UART 3)Mifare reader module RFID reader module YLMF ... )4) power supply : 2.5 ~ 3. 3V , 30 ~ 50mA5) interface : SPI , IIC , UART6) Read/write distance : 50mm7) storage temperature : -40°C ...