Shenzhen Adtek Technology Co.,Ltd


Inline Fiber Attenuator

Fiber optic connector FC/UPC Connector type Fixed male-female Transmission mode Single mode / multi mode Attenuation value 1 to 25 dB Working wavelength (nm) 1260/1620(SM), 850/1330(MM) Attenuation accuracy 1-9dB±0.5dB, 10-25dB±10%dB

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ST Fiber Attenuator 03

Working wavelength (nm):1260/1620(SM), 850/1330(MM)Attenuation value:1 to 25 dB

Return loss:≥55dBConnector type:Fixed male-female

Fiber optic connector:STPolarization dependent loss:≤0.2dB

Transmission mode:Single mode / multi modeMaximum input optical power:200mW

Ferrule material:Cerium oxide ceramichumidity:95% RH

Storage temperature:—40℃ to +85℃Attenuation accuracy:1-9dB±0.5dB, 10-25dB±10%dB

Operating temperature:—40℃ to +80℃


Attenuators are used in communication systems to reduce optical power launched onto the photo detector. These high performance devices are designed to give accurate attenuation over a wide range of wavelengths. The plug type configuration allows them to be used directly on the end of a patch cord, which in turn can insert directly into an adapter.

Available in FC, SC and  LC (short form factor) connector styles with UPC or APC finish and ST and MU connector styles with UPC finish, attenuators providing ultra-low return loss and are available from 1 dB to 30 dB in 1 dB increments.


  • Plug-in type package

  • Accurate attenuation

  • Ultra-low back reflection

  • Broad wavelength band

  • Flat response over all wavelengths

  • Environmentally stable

  • Telecommunication networks

  • Fiber optic sensors

  • Test and measurement

  • CATV

  • LAN and WAN

  • FTTX

Available Range of Attenuation1 to 30 dB with 1 dB increments
Operating Wavelength1310 and 1550 nm (or single wavelength)
Operating Band PassDual Window 1310 and 1550 nm (±25 nm)
Attenuators 10dB± 0.5 dB
Attenuators 11 to 30 dB± 1dB
ReflectanceUPC = 50 dB APC = 60 dB
Operating Temperature-40 °C to + 75 °C
International StandardTelcordia GR-910-CORE


What is isolator in microwave?
An isolator is a two-port device that transmits microwave or radio frequency power in one direction only. It is used to shield equipment on its input side, so the design will work fast.For example, to prevent a microwave source being detuned by a mismatched load.

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