The VOA DUAL Channal Series from Lightwaves2020 Inc. is a Fiber Optic Attenuator with Attenuation 40 dB, Insertion Loss 1.7 dB, Operating Temperature -5 to 70 Degree C, Optical Power w 1000 W, Polarization Dependent Loss 0.3 dB. More details for VOA DUAL Channal Series can be seen below.