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G.657.A1 Bend-Insensitive Single-Mode Optical Fiber

Core Competitive Advantages

For Procurement Managers and Network Contractors

Massive Delivery Capacity: We maintain extensive factory stock and can ship up to 100,000 km of fiber within 15 days, guaranteeing zero delays for large-scale telecom projects.
Flexible Cash Flow Support: We offer highly flexible payment terms with deposit requirements ranging from 20% to 100%, easing capital pressure for contractors.
Zero-Cost OEM Customization: Factory-direct custom serial numbers (SN) and labeling on all reels and cartons are provided at no extra charge, streamlining your inventory management and brand presentation.
Optimized Reel Lengths: Available in extended roll lengths (40.8 km, 50.4 km, and 60.4 km/roll) to significantly reduce splicing frequency and minimize material waste on site.

Additional information

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FIBCONET Catalog 2021.pdf

Product Details

The G.657.A1 is a bend-insensitive single-mode optical fiber engineered specifically for access networks and FTTH deployments. Fully backward compatible with legacy G.652.D infrastructure, it supports full-band transmission from 1260nm to 1625nm.

Featuring a minimum bend radius of 10mm and a bubble-free outer jacket, this fiber minimizes macro-bending loss in tight routing environments while maintaining optimal signal integrity across long relay distances.

Features

Optimized Bend Radius: 10mm minimum bend radius, strictly exceeding ITU-T G.657.A1 and IEC 60973-2-50 B6 technical specifications.
High Mechanical Reliability: Built with a bubble-free outer jacket, supporting 60N tensile strength and passing a 100 kpsi (0.69 GPa) proof test to prevent breakage during installation.
Extreme Climate Resilience: Maintains stable attenuation and environmental behavior in extreme temperatures ranging from -60°C to +85°C.
Seamless Compatibility: 100% compatible with existing G.652.D fiber, eliminating the need for network overhauls.
Low PMD Coefficient: Excellent Polarization Mode Dispersion (PMD) performance, supporting high-rate, long-distance transmission systems.

Applications

FTTH Deployments: The primary choice for manufacturing butterfly drop cables and tight buffer cables in residential installations.
Access Networks: Ideal for indoor wiring and distribution frames requiring small bending radius routing.
Low-Altitude Economy: Highly suitable for short-distance flight equipment, including tethered UAV (drone) optical communication links.