Best Single Mode Fiber Optic Attenuators in 2026

Beyondtech high-quality LC to SC Fiber Patch Cable Single mode 9/125 OS1 fiber is specially designed for fast Ethernet, Fiber Channel, Gigabit Ethernet Speeds, data center, premises, educational, LAN, SAN, commercial, 10GBASE-L (1310 nm), 10GBASE-E (1550 nm), 1000BASE-LX (1300 nm) and Asynchronous Transfer Mode (ATM) applications. It supports video, data and voice services.

This fiber OS1 LC SC Fiber Patch Cord conforms with TIA/EIA 492AAAA and IEC60793-2-10 A1b standards and complies with RoHS specifications.

This SM fiber has an yellow color jacket with a 3.00mm diameter. OS1 cables have a 0.25 dB/km attenuation at 1550 nm and 0.35 dB/km at 1310 nm.

3 Meters,LC/PC-SC/PC,Duplex,Singlemode

Compatible with all standard fibre optic equipment and connectors

Ceramic connectors ensure low signal loss, and high reliability

1 Meter,SC/PC-SC/PC,Simplex,Singlemode,the fiber diameter is 3.0mm

Compatible with all standard fibre optic equipment and connectors

Ceramic connectors ensure low signal loss, and high reliability

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.

【Connector Type】 10dB attenuation amount, SC-APC Female to SC-APC male attenuator, 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

【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.

✅SC/UPC Fiber Optic Attenuato: SC/UPC Male to SC/UPC Female, 10dB, 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.

✅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.

LC to LC Attenuator | LC/UPC Male to LC/UPC Female | Fixed fiber optic attenuator for singlemode applications to prevent over saturating an optical receiver when the optical power is too high. Using an attenuator ensures low bit error rates preventing damage to receiving fiber optic equipment.

LC to LC Attenuator | LC/UPC Male to LC/UPC Female | Fixed fiber optic attenuator for singlemode applications to prevent over saturating an optical receiver when the optical power is too high. Using an attenuator ensures low bit error rates preventing damage to receiving fiber optic equipment.

Attenuator DB Level Options: 5dB 10dB 15dB 20dB.

3dB SC/APC Single Mode Fixed Male-Female Fiber Optic Attenuator

High power 1W continuous operation tested over 1000 hours

Low ripple broadband design for operation at both 1310 and 1550 nm?

OPTIMIZE YOUR FIBER PERFORMANCE: The Variable Optical Attenuator caps are great for adjusting fiber optic network signal balance

CONTROL YOUR SIGNAL: Variable Attenuator Source and End face ranges of 0dB to 30dB, this VOA Comes with a ceramic alignment sleeve and Dust caps to protect against debris. Free-hanging or panel-mount design

REDUCE COMPLEXITY: User adjusts and sets the increase of attenuation to desired level through turn of pinwheel. Replacing the mating sleeve at the patch panel enabling variable attenuation levels to be introduced to the system at your own discretion.

【Package Includes】2pcs 10dB LC Singlemode Fiber Optical Attenuator, LC SM 9/125 Single Mode LC/UPC Male to LC/UPC Female Adapter.

【Parameters】Attenuation Tolerance: ±0.7dB, Return Loss :≥50dB, Polarization Dependent Loss:≤0.2dB, Core material: Ceramic.

【Advantage】Low insertion loss, high efficiency and stability, good isolation effect. Good Repeatability & Intercalation. Using metal ion erbium-doped attenuation fiber.It withstands high-intensity optical power transmission for a long time.

fiber information: 0.5m(1.6ft) SC to SC Fiber Patch Cable OS2, SC cable single mode is 9 / 125 μ m. 10GBASE-L (1310 nm), 10GBASE-E (1550 nm). Sheath material: LSZH fiber Color: yellow. The outer diameter is 2.0mm

The model of this fiber is a 0.5m- 1.6ft SC - SC single- mode optical fiber fiber with fiber diameter of 2.0mm and LSZH. It is very durable for indoor use and meets all UL, CUL, IEC and ROHS standards. This optical fiber patch cord is very suitable for home and office. It is used to connect 1g/ 10g/ 40g/ 100g Ethernet cables.

This SC - SC fiber patch cord is used in Gigabit Ethernet, fibre channel, LAN, data center, building installation, Wan, commercial and other high-density applications. We have been verified by the authority of the industry that the single-mode optical fiber jumper completely meets the needs of optical fiber professionals.

fiber information: 3m(10ft) SC to SC Fiber Patch Cable OS2, SC cable single mode is 9 / 125 μ m. 10GBASE-L (1310 nm), 10GBASE-E (1550 nm). Sheath material: LSZH fiber Color: yellow. The outer diameter is 2.0mm

The model of this fiber is a 3m- 10ft SC - SC single- mode optical fiber fiber with fiber diameter of 2.0mm and LSZH. It is very durable for indoor use and meets all UL, CUL, IEC and ROHS standards. This optical fiber patch cord is very suitable for home and office. It is used to connect 1g/ 10g/ 40g/ 100g Ethernet cables.

This SC - SC fiber patch cord is used in Gigabit Ethernet, fibre channel, LAN, data center, building installation, Wan, commercial and other high-density applications. We have been verified by the authority of the industry that the single-mode optical fiber jumper completely meets the needs of optical fiber professionals.

[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

[MAIN PARAMETER]: SC/UPC Female to SC Male; Single-mode; Attenuation Value: 3dB; Attenuation Accuracy: ±0.5dB.

[MATERIAL]: The core material of the adapter is ceramics.

[FEATURE]: To ensure the optical power stay in a stable level on its original transmission wave.High attenuation accuracy, low added loss and good stability.

📡High Rated OS2 9/125μm Fiber and Cladding, which is Insensitive to bending,Easy peeling,Easy welding,ensures small optical loss and stable transmission. The core is Japan imports zirconia powder ceramics, which is High Return Loss,Low Insertion Loss,Low Attenuation feautures.

📡This LC to LC Single-mode Duplex OS2 fiber patch cords operate at -20ºC to +70ºC.Compatible with all standard fibre optic equipment and connectors,They are suitable for indoor use, if you need outdoor fiber, please send us an email.

📡15mm Minimum Bend Radius that is 4X more flexible than standard 50 micron fiber cables without introducing any macro-bending loss; Ideal for SAN network cabinets that require 20 or more bends in the cabinet or high density installations with cables crammed into an extremely small footprint.

📡3M(10ft), OM4 LC-LC Fiber Optic Patch Cable Multimode 40/100Gb is designed for high density applications in gigabit ethernet, fiber channel, local area networks, data center, premise installation, wide area networks, commercial and so on, ideal for connecting 40G BIDI SR, 10G SR, QSFP+, SFP+ transceivers etc. for 10G/40G/100G Ethernet connections and is the preferred fiber specification for 40G/100G applications.

📡Maximum Transmission Distance - 1Gb Ethernet Distance of 550Meters at 850nm; 10Gb Ethernet Distance of 300Meters at 850nm; 40Gb Ethernet Distance of 300Meters at 850/nm; 100Gb Ethernet Distance of 200Meters at 850nm. Bandwidth is 2000 MHz·km @850nm.

📡7.5mm Minimum Bend Radius - High Rated 50/125um Fiber and Cladding, which is Insensitive to bending, easy peeling, easy welding, ensures small optical loss and stable transmission (insertion loss≤0.3dB, return loss ≥30dB.), Ideal for SAN network cabinets that require 20 or more bends in the cabinet or high-density installations with cables crammed into an extremely small footprint.