JW3216 Handheld Optical Power Meter Specifications ModelJW3216AJW3216CCalibrated(nm) 850, 1300,1310,1490,1550,1625Detector typeInGaAsMeasurement Range(dBm)-70~+6-50~+26Uncertainty (dB)±0.15(3.5%)linearity (dB)±0.02Display resolution(dB)0.01Frequency ID(Hz)270,330,1K,2KWave ID(nm)850,1300,1310,1490,1550,1625Date..