... RS232/RS485/TTL/USB Port 3.ISO14443A,B,ISO15963 4.Low cost, High performance 13.56mhz rfid module RDM880 ... ISO14443A,B andISO15693 international protocols.Though RS232,RS485or TTL interface, the device is easyand convenient to be connected ... Attendance, E-tickets, Product Anti-forgery, Transit one card system,etc. Parameter Frequency13.56MHzChipsMFRC500,MFRC400,MFRC531,MFRC632Baudrate9600-115200bit/ ...