... Shanghai Total Co., Ltd. is producing oscilloscope, signal generator, function generator, frequency counter, bench top meter, spectrum ... Full metal box,well EM compliant Specification Name Function Signal Generator Specification ·1Ouput: Freq: YB1602 0.02Hz~2MHz ... displayed simultaneouslyOutput waveforms: sine, square, triangleFrequency of output signal: 0.2Hz - 2MHzDuty cycle adjustable: 20% ...