Product category
G.657.B3 Optical Fiber
B2B wholesale sourcing of G.657.B3 ultra-bend-insensitive single-mode optical fiber, rated for bend radii down to 5 mm, supplied on spools for tight-routing and compact installations.
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Fiber Optic Products
G.657.A2 Optical Fiber
B2B wholesale sourcing of G.657.A2 bend-insensitive single-mode optical fiber, fully compatible with G.652.D, supplied on spools for telecom and infrastructure use.
G.657.A2 is a bend-insensitive single-mode fiber that combines low macro-bending sensitivity with a low water peak, while remaining fully compatible with standard G.652.D fiber.
IBT Services B.V. sources G.657.A2 fiber on spools for telecom and infrastructure buyers - from test and sample batches through to bulk commercial quantities. Specify length per spool, total quantity and any documentation requirements in your RFQ: we confirm availability and pricing with verified suppliers, and if it is workable, we supply the fiber, from test spool to commercial batch.
Technical data
Key specifications
| Parameter | Condition | Specified value |
|---|---|---|
| Attenuation | 1310 nm | ≤0.35 dB/km |
| Attenuation | 1550 nm | ≤0.21 dB/km |
| Attenuation | 1625 nm | ≤0.24 dB/km |
| PMD (link design value) | M=20, Q=0.01% | ≤0.08 ps/√km |
| Mode-field diameter | 1310 nm | 8.6 ± 0.4 µm |
| Cladding diameter | — | 125 ± 0.7 µm |
| Coating diameter | — | 245 ± 10 µm |
| Cable cutoff wavelength | — | ≤1260 nm |
| Macro-bend loss | Φ15 mm, 1 turn @ 1550 nm | ≤0.5 dB |
| Standards | — | ITU-T G.657.A2 / G.652.D |
Attenuation
≤0.35 dB/km
1310 nm
Attenuation
≤0.21 dB/km
1550 nm
Attenuation
≤0.24 dB/km
1625 nm
PMD (link design value)
≤0.08 ps/√km
M=20, Q=0.01%
Mode-field diameter
8.6 ± 0.4 µm
1310 nm
Cladding diameter
125 ± 0.7 µm
Coating diameter
245 ± 10 µm
Cable cutoff wavelength
≤1260 nm
Macro-bend loss
≤0.5 dB
Φ15 mm, 1 turn @ 1550 nm
Standards
ITU-T G.657.A2 / G.652.D
Typical specified values for G.657.A2 single-mode fiber. Exact values per delivery depend on the supplier batch and datasheet.
Selection notes
What to specify
Use these points to prepare a precise RFQ for this category.
| Area | What to specify |
|---|---|
| Bend performance | Bend radii from 7.5 to 15 mm; suitable for tight in-building and patch-panel installations. |
| Compatibility | Fully compatible with G.652.D single-mode fiber. |
| Batch type | Test or sample spool for qualification, or commercial bulk batch. |
| Volume | Length per spool and total quantity required. |
B2B supply context
Multi-unit supply and shipment illustration
Example delivery and packing visuals. They do not indicate stock availability; availability, pricing and lead time are confirmed after RFQ review.
Frequently asked questions
Is G.657.A2 compatible with G.652.D networks?
Yes. G.657.A2 is fully compatible with G.652.D single-mode fiber, so it can be used alongside existing G.652.D infrastructure while adding improved bend performance.
What bend radius does G.657.A2 support?
G.657.A2 offers excellent bend performance in the 7.5 to 15 mm bend-radius range, which suits tight in-building installations and small patch-panel layouts.
Can I order a test spool before committing to bulk?
Yes. Test spools or sample batches can be requested for qualification before a larger commercial order. Specify length and quantity in your RFQ.
What documentation is available?
Depending on the supplier batch, documentation may include technical datasheets and OTDR reports. Indicate any documentation requirements in your RFQ.
Related
Related categories
Product category
G.652.D Single-Mode Fiber
B2B wholesale sourcing of G.652.D standard single-mode optical fiber on spools, with test batches and bulk supply for telecom, infrastructure and distribution buyers.
View specifications →
Product category
Bulk Fiber Spools
Bulk and recurring supply of bare single-mode optical fiber on spools for distributors, manufacturers, installers and infrastructure projects.
View specifications →Submit an RFQ for G.657.A2 Optical Fiber
Send a structured request: we check availability and pricing with our verified suppliers, and if the request is workable, we supply the product.