This 1-Wire RFID device reads the popular RFID tags running in the 125 kHz band (Manchester coding). Each tag has its own unique identification number, which is sent through 1-wire® bus by emulating a DS1990A iButton®. Features Reads RFID tags running in the 125 kHz band Data are sent by emulating a DS1990 iButton® Plastic casing Standard wire ~40 cm M*12 thread Bi-color LED Internal buzzer Joining colors green and red creates orange no series resistor required, simply connect LED cathode to GND Applications Cash registers Vehicle/Driver ID Time and Attendance Access control Pinouts Yellow Power supply (6.5-30 volts DC) Black Ground White 1-Wire Data Green Cathode green LED Brown Cathode red LED Pink Buzzer Specification Power supply 6.5-30 V DC Active Current 12 mA (without LED) Frequency 125 kHz Reading distance ~4 cm LED Green/Red Active Current LED 10mA per colour Active Current Buzzer 50 mA