Plug Type Sm/mm St Female to FC Male Fixed Fiber Optic Attenuator

• Customization: Available
• Transmission Medium: Single-Mode
• Structure: ST
• Number of Cores: Single-Core
• Ferrule Endface: PC(UPC)
• Shape: Rectangular
• Fabrication Process: Moulded
• Application: Fiber Distribution Frame, Network Equipment, Fiber Module
• Light Source TYPE: Fiber
• Connector Type: E2000
• Brand: OEM
• Attenuation Range: 0-25dB
• Attenuation Accuracy: ±0.5dB(1dB-10dB); ±1.0dB(11dB-25dB)
• Available Wavelengths: 1310nm,1550nm,1310&1550nm
• Wavelength Dependence: <0.3dB
• Return Loss: ≥50dB(Upc); ≥60dB(APC)
• Temperature Range: -40-80°c(≤0.2dB in Insertion Loss)
• Polarization Dependent Loss: ≤0.2dB
• Transport Package: Box
• Specification: 48*48*30cm
• Trademark: HOLIGHT (OEM available)
• Origin: China
• HS Code: 8517622990
• Production Capacity: 80, 000 PCS/Month

Product Description

ST female-FC male MM/ SM Plug-in Fixed Attenuator

This plug-type fixed fiber optic attenuator features a ST female to FC male interface and is available for both singlemode and multimode applications. It is ideal for reducing optical signal power in-line without modifying the system structure. With precise attenuation and low reflection, it is widely used in ODFs, telecom cabinets, test equipment, and FTTH installations.

Applications

Features

- Optical Distribution Frames (ODF)
- Network testing and calibration
- FTTH/PON systems
- Telecom base stations
- Data centers
- Fiber optic modules and instruments
- Lab and field testing
- Multimode LAN networks

- Available for both SM (UPC polish) and MM (PC polish)
- ST female to FC male plug-in design
- Low insertion loss and stable attenuation
- Compact and durable with metal housing
- Attenuation levels from 1dB to 25dB
- 100% tested for performance and durability

Product Specs Table

Customer Reviews

"We needed 10dB attenuators for our data center patch panels. These worked perfectly."  
— Thomas B., Germany

"Multimode version was stable across various test environments. Quick lead time."  
— Priya S., UAE

"OEM laser-printed logos looked great. Will reorder with different attenuation levels."  
— Daniel R., Mexico

"Quality is consistent and compatible with all our ST/FC interfaces."  
— Lee H., South Korea

"Excellent product and fast response. Our team uses them in telecom field kits."  
— Ahmed N., Egypt

Related Products

FAQ Section

Q1: Can I get both singlemode and multimode versions?  
A1: Yes, both SM and MM types are available for this model.

Q2: What is the attenuation range supported?  
A2: Fixed values from 1dB to 25dB are standard.

Q3: Do you offer OEM printing for our logo?  
A3: Yes, we support OEM/ODM including logo, label, and packaging.

Q4: Is it compatible with standard ST and FC ports?  
A4: Absolutely, it's designed to fit standard ST female and FC male interfaces.

Q5: What is the lead time?  
A5: Normally 3–6 working days depending on quantity.

Q6: Can I mix dB levels in one order?  
A6: Yes, mixed dB levels are supported in a single MOQ.

Q7: What's the minimum order quantity?  
A7: MOQ is only 10 pcs per model.

Q8: Are these attenuators reusable?  
A8: Yes, they're designed for >1000 mating cycles.