G657A2 Bend Insensitive Fiber Optic Cable Supplier

Anxun optical fiber Co., Ltd.

Verified Custom manufacturer · 7 yrs ·

China

G657A2 bend insensitive fiber optic cable

Customizable Rock-bottom price

$285 1-49 kilometers Base price

$273 50-99 kilometers 4.2% off

$266 ≥100 kilometers 6.7% off

Price validity: subject to market conditions

Supplier's customization ability

Drawing-based customization
Sample-based customization
Full customization

Quantity

Minimum order quantity: 1 kilometers

Shipping total: To be negotiated

Subtotal of goods US$ 285.00

Start order request

Payment and delivery

Payment:: by contract — deposit, balance after your inspection
Lead time:: confirmed with the quotation
Packaging:: standard export packing
Samples:: available on request

Product details

Technical Specifications of G657A2 Bend Insensitive Fiber Optic Cable

Property	Parameter	Description
Product Name	G657A2 Bend Insensitive Fiber Optic Cable	Single-mode optical fiber cable with enhanced bend resistance for FTTH/FTTx applications
Fiber Type	ITU-T G.657.A2 Single-Mode Fiber	Compatible with G.652.D; supports both access network and indoor wiring deployments
Standard Compliance	ITU-T G.657.A2, IEC 60793-2-50, IEC 60794-1	Meets international telecommunications and optical fiber cable standards
Core/Cladding Diameter	9/125 µm	Standard single-mode core with 125 µm cladding diameter; coating diameter 245 ± 10 µm
Attenuation	≤ 0.35 dB/km @ 1310 nm; ≤ 0.20 dB/km @ 1550 nm	Low attenuation ensures long-distance signal transmission with minimal loss
Macrobend Loss (10 mm radius)	≤ 0.1 dB/turn @ 1550 nm; ≤ 0.2 dB/turn @ 1625 nm	Superior bend performance at 10 mm bend radius per ITU-T G.657.A2 specification
Macrobend Loss (7.5 mm radius)	≤ 0.5 dB/turn @ 1550 nm; ≤ 1.0 dB/turn @ 1625 nm	Excellent performance at tight bend radii for confined installation environments
Cable Construction	Tight-buffered / Loose-tube / Drop Cable / GJXFH	Available in multiple constructions including flat drop, round drop, and distribution types
Jacket Material	LSZH / PVC / PE	Low Smoke Zero Halogen (LSZH) standard; PE for outdoor; PVC for indoor use
Tensile Strength	Long-term: ≥ 100 N; Short-term: ≥ 200 N (drop cable)	Reinforced with FRP or steel wire strength members depending on cable type
Operating Temperature	-40°C to +70°C (outdoor); -20°C to +60°C (indoor)	Wide temperature range suitable for diverse installation environments
Cable Diameter	2.0 mm × 3.0 mm (flat drop); OD 3.0–6.0 mm (round)	Compact design for easy routing through conduits, ducts, and building interiors
Application	FTTH, FTTx, indoor wiring, MDU, last-mile access networks	Ideal for tight-space installations such as staple-attached, corner-routed deployments
Certification	RoHS, CE, ISO 9001, TIA-568-C.3, Telcordia GR-20	Certified for quality, safety, and compliance with global telecom industry requirements
Packaging	500 m, 1000 m, 2000 m per reel; customized lengths available	Wound on wooden or plastic reels with protective wrapping for safe transport and storage
MOQ	1 km (standard); 500 m (sample order)	Flexible order quantities available; OEM and custom labeling supported

G657A2 Bend Insensitive Fiber Optic Cable Supplier

G657A2 bend insensitive fiber optic cable represents one of the most advanced single-mode optical fiber solutions available for modern telecommunications and FTTH (Fiber to the Home) deployments. Engineered to maintain signal integrity even under extreme bending conditions, this cable type conforms to ITU-T G.657.A2 standards, permitting a minimum bend radius of just 7.5 mm — significantly tighter than conventional G.652D fiber. As broadband infrastructure continues to expand into dense urban environments and multi-dwelling units, contractors and network operators increasingly rely on G657A2 cables to navigate complex routing paths, tight conduit bends, and confined installation spaces. The cable finds extensive application in indoor wiring, riser installations, drop cable assemblies, and last-mile connectivity projects where routing flexibility is paramount. With attenuation as low as 0.2 dB/km at 1550 nm, it delivers premium-grade optical performance without compromising on mechanical durability, making it the preferred choice for both new builds and retrofit fiber network expansions worldwide.

What is G657A2 Bend Insensitive Fiber Optic Cable?

G657A2 bend insensitive fiber optic cable is a single-mode optical fiber cable compliant with ITU-T G.657.A2 and IEC 60793-2-50 standards. It is specifically designed to tolerate tight bending radii down to 7.5 mm with fewer than 0.5 dB additional loss per turn at 1550 nm, enabling reliable signal transmission in space-constrained environments. It maintains full backward compatibility with G.652D fiber for seamless splicing and connector integration across existing network infrastructure.

G657A2 Bend Insensitive Fiber Optic Cable Manufacturing Process

Production begins with a modified chemical vapor deposition (MCVD) or outside vapor deposition (OVD) process to fabricate a precision-engineered preform with a trench-assisted or nanostructured core design — the key to superior bend resistance. The preform is drawn into fiber at temperatures exceeding 2,000°C, then coated with a dual-layer UV-cured acrylate coating to a nominal outer diameter of 245 µm. Finished fibers are then jacketed with LSZH, PVC, or tight-buffer materials depending on the intended installation environment, followed by rigorous tensile and optical performance testing per IEC standards.

G657A2 Bend Insensitive Fiber Optic Cable Technical Specifications

Key parameters include a mode field diameter of 8.6–9.5 µm at 1310 nm, cladding diameter of 125.0 ± 0.7 µm, and coating diameter of 245 ± 10 µm. Attenuation measures ≤ 0.35 dB/km at 1310 nm and ≤ 0.20 dB/km at 1550 nm. Chromatic dispersion is ≤ 18 ps/(nm·km) at 1550 nm. The cable withstands a minimum bend radius of 7.5 mm (10 turns) with macrobend loss ≤ 0.5 dB at 1550 nm, and operates reliably across a temperature range of -60°C to +85°C. Tensile load rating reaches up to 600 N for standard drop cable constructions.

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Ratings & Reviews

4.5

Based on 8 reviews

5 5

4 2

3 1

2 0

1 0

David M.

United States

2025-02-02

Initial reel labeling issue — resolved satisfactorily

Ordered 10,000 m of G657A2 for evaluation on a campus network project. On receipt, approximately 8 reels had mislabeled fiber length markings — a frustrating QC miss for a technical procurement. I contacted their support team and they responded within 4 hours, arranged a third-party re-measurement, confirmed actual lengths were correct, and issued corrected documentation within 48 hours. Optical specs themselves — 0.20 dB/km at 1550 nm, 7.5 mm bend radius compliance — were all verified as correct. Issue was administrative, not product quality. They handled the resolution professionally, so I would consider reordering with tighter QC expectations communicated upfront.

Laura H.

United Kingdom

2025-02-24

Competitive pricing, delivery slightly longer than quoted

Purchased 15,000 meters of G657A2 with LSZH jacket for a London apartment complex retrofit. The cable performed well — macrobend loss tested at 0.3 dB per turn at 1550 nm, well within the 0.5 dB limit, and backward compatibility with existing G.652D splices was confirmed. Pricing beat three other quotes we received by a meaningful margin. Delivery was quoted at 14 days but arrived at 19 days due to freight consolidation. Product itself is good quality and the technical consultation before ordering was helpful. Four stars — would consider five if lead times improve.

Thomas B.

Germany

2025-03-18

Good value for certified G657A2, minor documentation delay

Ordered 25,000 m of G657A2 drop cable assemblies for a Bavarian rural broadband expansion. Product quality is solid — IEC 60793-2-50 test reports were included and attenuation figures matched spec at ≤0.20 dB/km at 1550 nm. Pricing was approximately 12% lower than our previous European distributor for comparable certified stock. The only friction point was a two-day delay in receiving the CE conformity declaration, though it was resolved before shipment. Overall good price-to-performance ratio for volume procurement. Would use again for the right project budget.

Know your supplier

Anxun optical fiber Co., Ltd.

7 yrs on Sinoali.com

Located in China

Company information More goods

FAQ

Q: What is bend-insensitive fiber?

A:Bend-insensitive fiber is a special optical fiber that maintains low transmission loss even under tight bending conditions, such as small radius bends or twists.

Q: What is the biggest advantage of bend-insensitive fiber?

Q: Can bend-insensitive fiber be used in FTTH projects?

Q: What bending radius can your bend-insensitive fiber withstand?

Q: Does bend-insensitive fiber support long-distance transmission?

Q: What is the operating temperature range of your fiber?

Product display

Anxun Optical Fiber Co., Ltd. is a technology-driven enterprise specializing in the research, development, and manufacturing of high-quality optical fiber products and communication solutions. With a strong focus on innovation and precision engineering, the company provides a wide range of products, including fiber optic cables, connectivity components, and customized network solutions for telecommunications, data centers, and industrial applications.

Committed to international standards and strict quality control, Anxun ensures reliable performance and long-term durability in all its products. The company continuously invests in advanced production equipment and technical expertise to meet the evolving demands of global communication infrastructure. Guided by a customer-centric approach, Anxun Optical Fiber Co., Ltd. strives to deliver efficient, cost-effective, and sustainable solutions, building long-term partnerships with clients worldwide.