The Best Fiber Optic Attenuators

Looking for the best Fiber Optic Attenuators?

Discover now our comparison of the best Fiber Optic Attenuators. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Fiber Optic Attenuators are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Fiber Optic Attenuators in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1

10 Pack Single Mode LC 5dB Fiber Optic Attenuator, LC/UPC in-Line Fiber Attenuator, Male/Female, Single-Mode Fixed, SM, dB Options: 3dB, 5dB, 7dB, 10dB

Connector/Connection Polish: LC/UPC Male to LC/UPC Female, 10 Pack
Attenuator db: 5dB.
Low Insert-loss & High Return-loss: Optical fibers are connected by adapters through internal open sleeves. Provide LC adapters to ensure the connection between fiber patch cable.
Good Repeatability & Intercalation: Widely used in Optical Fiber Distribution Frame, Optical Communication Network, Optical Fiber Broadband Access Network, Optical Fiber CATV, Optical Fiber Testers, FLAN, the performance is stable and reliable.
Feature: Light weight, small volume, high accuracy, good stability and convenient operation.

No. 2

FLYPROFiber- 5dB LC Attenuator SM Single Mode Fixed Fiber Optic Attenuator, Male-Female, 10pack

📡High precision attenuation: LC attenuators offer precise control over signal attenuation, allowing for accurate reduction of optical signal intensity. This feature is crucial in applications such as fiber optic communications and optical networks, where precise power control is required.
📡Low insertion loss: LC attenuators exhibit low insertion loss, ensuring minimal energy loss when the optical signal passes through the attenuator. LC/UPC singlemode fixed fiber optic attenuator 5dB,Polarization dependent loss ≤0.2dB and return loss ≥50dB.
📡Wide wavelength range: LC attenuators are designed to operate across a wide range of wavelengths, making them suitable for different optical signals. They can effectively work with various wavelengths, from visible light to infrared, catering to the needs of diverse optical systems.
📡Reliable connection interface: LC attenuators utilize the standard LC connector interface, which offers reliability and stability. This interface allows for easy plug-and-play operations, excellent compatibility, and long-lasting performance, ensuring a consistent and reliable connection.
📡Wide range of applications: LC attenuators are widely used in fiber optic communications, data centers, optical testing, and measurement fields. They provide essential signal control and adjustment functions for optical devices and systems in these applications.

No. 3

Solnique 10 Pack Single Mode Fiber Optic Attenuators – 2dB, 5dB, 7dB, 10dB, 15dB, LC/UPC Fiber Attenuator Ideal for Communication & Data Centers

Multiple Attenuation Options: The Solnique LC/UPC Fiber Optic Attenuators offer five different attenuation levels (2dB, 5dB, 7dB, 10dB, 15dB), with two pieces per level. This wide range meets various optical signal adjustment needs,Just carrying it with you can solve various problems of excessive optical signal strength.
High-Quality LC/UPC Connectors: Equipped with LC/UPC interfaces, these attenuators provide low insertion loss and high return loss (>60dB). This ensures stable and reliable signal transmission, making them perfect for critical communication systems.
Small box packaging: Place corresponding level attenuators in 5 different areas, making it easy to quickly find what you want, and a single light attenuation is not easy to lose; small box packaging, easy to carry, and the airtight seal is rainproof and dustproof.
Durable Construction: Built from high-precision materials, these attenuators have excellent durability (>1000 cycles). They are engineered to perform consistently even in challenging environments, providing long-lasting reliability.
Single-Mode Systems: Designed specifically for single-mode fiber networks, supports attenuation at 1310nm and 1550nm wavelengths, these attenuators are perfect for communication, fiber testing, and data center environments, where precise control over optical signals is essential.

No. 4

5Pcs 10dB SC for APC Fiber Optic attenuator, Fiber Signal Attenuation Converter, SC Inserts Connector for Fiber Optic Transmission

【Connector Type】 10dB attenuation amount, SC Female to SC male attenuator for APC end face, adopting high performance attenuated fiber
【Operation Wavelength】This attenuator is suitable for both 1310nm and 1550 nm single mode fiber connection
【High Attenuation Precision】 Attenuation precision: ±10%, when connector attenuation amount>5dB
【Transmission Stability】 Reflectance: dB≥50, which ensures the optical power stay in a stable level on its original transmission wave.
【Easy Installation】 The simple and compact structure make it very user friendly, just need plug and play for installation
【Product Application】 Widely used in the fiber optic communication system, for example, optical instrument calibration or fiber signal attenuation etc.

No. 5

GwliUni 10Pcs LC Fiber Optic attenuator, Fiber Signal Attenuation Converter, LC Inserts Connector Single Mode (LC-UPC, 10dB)

【Connector Type】 Attenuation Value: 10dB, LC-UPC Female to LC-UPC male attenuator, adopting 1310nm and 1550nm single mode high performance attenuated fiber
【High Attenuation Precision】 Attenuation precision: ±10%, when connector attenuation amount>5dB
【Transmission Stability】 Reflectance: dB≥50, which ensures the optical power stay in a stable level on its original transmission wave.
【Easy Installation】The structure of each part is simple and compact, which is convenient for assembly and safe storage, just need plug and play for installation
【Product Application】 Widely used in the fiber optic communication system, for example, optical fiber distribution frame (ODF), optical fiber broadband access network, optical fiber CATV, optical fiber instrument meter, optical fiber local area network, etc.

No. 6

2 Pack 5dB SC Fiber Optic Attenuator, Single Mode Fixed in-Line Fiber Attenuator, SM SC/UPC Male to Female, dB Options: 3dB, 5dB, 7dB, 10dB

SC/UPC Fiber Optic Attenuato: SC/UPC Male to SC/UPC Female, 5dB, Singlemode fixed, Ceramic Core material, 2 Pack. Provide SC adapters to ensure the connection between fiber patch cable. 2 Pack.
Low Insert-loss & High Return-loss: Polarization dependent loss ≤0.2dB and Return Loss: ≥ 50dB. Using an attenuator to prevent over saturating an optical receiver when the optical power is too high and ensures low bit error rates preventing damage to receiving fiber optic equipment.
Good Repeatability & Intercalation: Widely used in Optical Fiber Distribution Frame, Optical Communication Network, Optical Fiber Broadband Access Network, Optical Fiber CATV, Optical Fiber Testers, FLAN, the performance is stable and reliable.
Feature: Light weight, small volume, high accuracy, good stability and convenient operation.
Attenuator Application: Optical attenuator is a passive device used to reduce the power level of an optical signal. It is generally used in single-mode long-haul applications to prevent optical overload at the receiver.

No. 7

FLYPROFiber- 10dB SC Attenuator, Single Mode Fixed Fiber Optic Attenuator, Male to Female, 2pack

📡As a optical passive devices, FLYPROFiber attenuators mainly used in fiber optic to debug optical power performance & optical instrument calibration correction & fiber signal attenuation to ensure the optical power in a stable and desired level in the link without any changes on its original transmission wave
📡SC/UPC singlemode fixed fiber optic attenuator 7dB,Polarization dependent loss ≤0.2dB and return loss ≥50dB
📡The fiber attenuator test system features high attenuation accuracy, low added loss and good stability
📡Applications: fiber optic communication systems, fiber optic CATV, high power optical device measurement
📡Used for attenuation of input optical power, avoiding distortion caused by optical receiver due to excessive input optical power

No. 8

Duogalia 5 Pack SC/APC Fiber Optic Attenuator 10dB, Fixed Single Mode Fiber Optic Attenuator, SC-APC Male to Female

[Attenuators] Attenuators are a type of optical passive device in fiber optics that can attenuate fiber optic signals, calibrate and correct optical instruments, and debug optical power performance to stabilize and maintain the optical power level in the link without altering the original transmission wave.
[Specifications] SC/APC singlemode fixed fiber optic attenuator 10dB,Polarization dependent loss ≤0.2dB and return loss ≥60dB
[Characteristic] High attenuation accuracy, low added loss and good stability
[Applications] Fiber optic CATV, fiber optic communication systems, high power optical device measurement
[Function] Used for attenuation of input optical power, avoiding damage to receiving fiber optic equipment due to excessive input optical power

No. 9

PklzNet 10PCS 5dB LC-UPC Fiber Optical attenuators Single Mode, Male to Female singal Attenuation Connector Fixed Direct Insert Adapter

【Connector Type】With 5dB attenuation amount, LC-UPC female to LC-UPC male attenuator, made of high-performance attenuated fiber.
【Product Features】The feature of the product is that the optical attenuator is widely applied in fiber optic communication system, having characteristics like high precision, strong impact resistance and stable and reliable performance.
【Good Performance】LC UPC Fiber Optic Attenuator: With high-precision attenuation of ± 0.5% dB, polarization related loss ≤ 0.2dB, and return loss ≥ 50dB, it maximizes signal integrity and transmission stability.
【Plug and Play】The fiber optic attenuator is easy to install, and its component structure is simple, facilitating easy assembly and safe storage, and the flexible and convenient plug and play enables you to complete the task more efficiently.
【Product Application】Widely used in fiber optic communication, fiber optic testing equipment, fiber optic cable television, etc. Usually used for debugging fiber optic instruments, attenuation of fiber optic signals, etc.

No. 10

Yumyotor 5Pcs LC Fiber Attenuator 5dB, LC/UPC Singlemode Fixed Fiber Optic Attenuator Male-Female

5dB LC/UPC Male to Female Singlemode Fiber Attenuator
1260nm to 1620nm Wavelength Singlemode Attenuators
Precision Polishing for Reduced Back Reflection
High Precision Fiber Optic Ceramic Ferrules
Snap in Body for Fast Mating and De-matin

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Last update on 2025-06-06 / Affiliate links / Images from Amazon Product Advertising API

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