The Advantest Q82232 is a used Optical Power Sensor Plug-in. Number of Channels 1Ch Minimum Wavelength 900nm Maximum Wavelength 1650nm Minimum Power 3.9810E 07uW Maximum Power 0.01Watts Measurement Accuracy 5.5 % Long wave, high sens, low polar. Noise level from -94dBm. Measurement Accuracy from 5.5%.