According to the Wikipedia, attenuator is an electronic device to reduce the sound by depending on distorting the wave, just opposite of the amplifier. So attenuator can not only make our life more wonderful, but also can bring a lot of happiness to our friends and family.

Here I'd like to introduce Top 2 attenuators from the Chinese supplier--Shenzhen Miccom Communication.

Fiber Optic Variable Attenuator

Product Specifications/Features
A.DescriptionVariable Attenuator optical variable attenuator is a need to provide different under construction decline The reduction of precision devices for a wide variety of fiber optic transmission lines to carry out scheduled .The amount of light intensity attenuation.
ApplicationOptical Fiber communication system, CATV, high-power optical device measurement.
Product featuresIs composed by three sections of metal nut contains two activities, joints, FC
By adjusting the lock two activities needed to produce the FC joint distance attenuation quantity.
For more: http://en.ofweek.com/Product/Fiber-Optic-Variable-Attenuator-prod-91788-1063939.html

Shenzhen Miccom MU Fiber Optic Attenuater






Product Specifications/Features
A.DescripitionAdopting high attenuation fiber with the cladding mode suppression design ,featuring the excellent optic performance.
Easy connection with plug-in type structure.
Little error.
B.ApplicationsDWDM optical fiber transmission system;
Cable TV optical transmission system;
Optical fiber test equipment;
In the receiver need to reduce the application of light power.

For more: http://en.ofweek.com/Product/Shenzhen-Miccom-MU-Fiber-Optic-Attenuater-prod-91788-1063945.html

Except these,Shenzhen Miccom Communication still has a lot of the other products, like fiber optic patch cord, splitter, Patch Cord Cable, Transmission CATV, CATV Optical Transmitter, Fiber Optic Adapter, PLC splitter and so on.

For more about Miccom: http://en.ofweek.com/Company/Shenzhen-Miccom-Communication-Equipment-Co-Ltd-91788/