The DA-100-3S-1550-62.5/125-M-35 from OZ Optics Ltd. is a Fiber Optic Attenuator with Attenuation 2 - 40 dB, Attenuation Resolution 0.01 dB, Insertion Loss 2 dB, Operating Temperature -10 to 55 Degree C, Optical Power w Up to 2 W. More details for DA-100-3S-1550-62.5/125-M-35 can be seen below.