... control ,Time Attendance, E-tickets, Product Anti-forgery, Transit one card system,etc. Parameter Frequency13.56MHzChipsMFRC500,MFRC400,MFRC531,MFRC632Baudrate9600-115200bit/s ... DLL is available under Windows98,Windows 2000, Windows NT and Linux and code samples programmed by VC++,Delphi or VB