CR048 rfid reader module Voltage: 4.5-5.5V Dimension: 35*40mm Frequency: 13.56M Interface: Uart mifare 1k,mifare 4k,desfire NAMECR048 series Proximity Reader ModuleWeight30g Dimensions35*40(mm) Temperature-20 +85C InterfaceUARTRead Rangeup to 5cmFrequency13.56MHzSUPPORTISO14443A/B,ISO15693Mifare 1K,Mifare 4K,Mifare Utralight,Mifare DesFire,Mifare Pro,SHC1102,SHC1104,SLE66R35,SR176,SRIX4K, ...