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Datcom's fiber attenuators are used to knock down the optical transmission signal to avoid damage to the receiver.

Generally, multimode systems do not need attenuators. Multimode sources, even VCSELs, rarely have enough power output to saturate receivers. Singlemode systems, especially short links, often have too much power and need attenuators. If you cannot find what you are looking for please call us.  1-800-427-2055