The DA-100-3A-980-6/125-S-50 from OZ Optics Ltd. is a Fiber Optic Attenuator with Attenuation 1 - 60 dB, Attenuation Resolution 0.01 dB, Insertion Loss 1 dB, Operating Temperature -10 to 55 Degree C, Optical Power w up to 50 mW. More details for DA-100-3A-980-6/125-S-50 can be seen below.