em card module/em reader module/em module/id card module/id module/125khz reader module/125khz module/k4 module/em4102/4100 ParametersDescriptionPhotoRead Range8-12cm Dimensions26.5mm(L)x16.5mm(H)x6.9mm(W)Frequency125kHzCard FormatEM 4001 or compatibleEncodingManchester 64-bit, modules 64Power Requirement3VDC @ 30mA nominalVoltage Supply Range+2.7V through +3.6VDCPin Description & Output Data ...