* 3v ,UART or SPI, 4layer PCB * Experienced R&D Department * OEM Capability * Reliability * Buyer's Specifications DescriptionCR028 HF reader moduleWeight10gDimensions38×38(mm)Temperature-20 - +85CInterfaceUART , SPIRead Rangeup to 5cmPower RequirementDC2.5 - 3.6V Frequency13.56mhzSUPPORTISO14443AMifare 1K, Mifare 4K, Mifare Utralight,Mifare DesFire, Mifare ProSystemWindows 2000.ME.NT.XPSDKW32 ...