Standard Alone RFID 125khz EM chip card door reader

.125KHz carrier frequency .Reading of amplitude-modulated transponders .Efficient tag management .Easy to build up a control system This reader is supplied in a PCB board containing RF circuits, an 8-bit microcontroller and data output connections. Its main functions,are driving the antenna, sending demodulated data into microcontroller, checking the input data code and processing the output data format. From the RS232 interface in the computer will get the 11 digits ASCII code are: 38H,34H,43H 32H,41H,36H,45H,31H,39H,35H,0DH   DIMENSION   Reader measurement: two levels 113.5mmX45.6mm (length, not including connected pin) Cable measurement: 8 pin and length is 100cm.