... CATVFiber Optic Lab TestingOther Fiber Optic MeasurementsSpecifications TypeS3516Wavelength(nm)800~1700nmDetectorInGaAsMeasurement Range (dBm)-70~+3-50~+26Uncertainty ... ±5%Calibrated Wavelength(nm)850,980,1300,1310,1490,1550Resolution(dB)0. ... mm)175x82x33Weight(g)310Standard Packages MODELINCLUDESAll 3216Models3216 Optical Power Meter, 3pcs 1.5V batteries, User Manual,Cotton ...