Shenzhen Adtek Technology Co.,Ltd


5DB Fiber Attenuator

Fiber optic connector: LC/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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LC Fiber Attenuator 09

Fiber optic connector:LC/UPCConnector type:Fixed male-female

Transmission mode:Single mode / multi modeAttenuation value:1 to 25 dB

Working wavelength (nm):1260/1620(SM), 850/1330(MM)Attenuation accuracy:1-9dB±0.5dB, 10-25dB±10%dB

Return loss:≥55dBPolarization dependent loss:≤0.2dB

Operating temperature:—40℃ to +80℃Maximum input optical power:200mW

Ferrule material:Cerium oxide ceramichumidity:95% RH

Storage temperature:—40℃ to +85℃


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

CAT5E Patch Panel 24 Port


What is the function of variable attenuator?
Variable Attenuator. A variable attenuator is a circuit that decreases the strength of the input signal either continuously or steadily without appreciable signal distortion while substantially maintaining constant impedance match.

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