OTDR Fiber Optic Single Mode Bare Optical Fiber G652D G657A1 G657A2 G655 Colored Optical Fiber 25.2km 50.4km 60km on Spool
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Product Highlights
- Bending Loss Resistance: Extremely high resistance in 7.5 to 15 mm bending radius range.
- Low Attenuation Performance: Satisfies operation demand in O-E-S-C-L band with low loss values.
- Full G.652 Compatibility: Fully compatible with all G.652 fibers for any application scenario.
- High Splicing Efficiency: Accurate geometrical parameters ensure low splicing loss and high efficiency.
- Long Operational Lifetime: High nd-value satisfies long operational lifetime in minimum bend radius.
- Multi-Color Options: Available in Bare or 12 Colors to meet diverse application needs.
- OEM & ODM Capabilities: Full customization from samples, designs, and flexible minor customization.
- Global Technical Support: 24/7 technical assistance and spare parts supply available worldwide.
Product Attributes
- Customization
- Available
- Application
- Communication
- Type
- Single-mode Fiber
- Model NO.
- GL FIBER 2025029
- Connection Structure
- FC-LC
- Certification
- RoHS, CE, ISO9001
- Brand
- OEM
- Model Number
- G652D, G657A1, G657A2
- Use
- FTTH FTTB FTTX Network
- Length
- 25.2km, 50.4km, 60km, OEM
- Color
- Bare, 12 Colors
- Package
- Carton Box
- Dimensions
- 47*49*31cm
- Weight
- 21kg
- Warranty
- 1year
- Transport Package
- Single Package Size
- Specification
- 25X26X32 cm
- Trademark
- OEM
- Origin
- China
- HS Code
- 854470000
- Production Capacity
- 30000km/Day
- Package Size
- 41.00cm * 30.00cm * 30.00cm
- Package Gross Weight
- 21.000kg
- Lead Time
-
5 days (1 - 10000 KM)
10 days (10001 - 100000 KM)
20 days (100001 - 1000000 KM)
To be negotiated ( > 1000000 KM)
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of OTDR Fiber Optic Single Mode Bare Optical Fiber G652D G657A1 G657A2 G655 Colored Optical Fiber 25.2km 50.4km 60km on Spool
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Product Description
• High performance optical network operating in O-E-S-C-L band
• High speed optical routes for Fibre-to-the-Home networks
• Cables with extreme low bending requirements
• Small-sized fibre cable and optical component
2. Full compatibility with all G.652 fibres for any applications
3. Low attenuation satisfying the operation demand in O-E-S-C-L band
4. Low PMD satisfying high bit-rate and long distance transmission requirements
5. Low bending loss for highly demanding cable designs including ribbons
6. Accurate geometrical parameters that insure low splicing loss and high splicing efficiency
7. High nd-value satisfying long operational lifetime in minimum bend radius


1. OEM Manufacturer
4. One-stop solution
5. 7*24 Online Service



Optical Characteristics | ||||
Attenuation | 1310nm | ≤0.35 | [dB/km] | |
1383nm(after H2-aging) | ≤0.35 | [dB/km] | ||
1460nm | ≤0.25 | [dB/km] | ||
1490nm | ≤0.23 | [dB/km] | ||
1550nm | ≤0.21 | [dB/km] | ||
1625nm | ≤0.23 | [dB/km] | ||
Attenuation vs. Wavelength Max. α dierence | 1285-1330nm, in reference to 1310nm | ≤0.03 | [dB/km] | |
1525-1575nm, in reference to 1550nm | ≤0.02 | [dB/km] | ||
Zero Dispersion Wavelength(λ0) | -- | 1300-1324 | [nm] | |
Zero Dispersion Slope(S0) | -- | ≤0.092 | [ps/(nm2·km)] | |
PMD | Maximum Individual Fibre | -- | ≤0.1 | [ps/√km] |
Link Design ValueM=20Q=0.01%) | -- | ≤0.06 | [ps/√km] | |
Typical Value | -- | 0.04 | [ps/√km] | |
Cable Cuto Wavelength (λCC) | -- | ≤1260 | [nm] | |
Mode Field DiameterMFD | 1310nm | 8.4-9.2 | [μm] | |
1550nm | 9.3-10.3 | [μm] | ||
Eective Group Index of RefractionNe | 1310nm | 1.466 | -- | |
1550nm | 1.467 | -- | ||

Extended Warranty: Optional coverage up to 36 months.
Global Support: 24/7 technical assistance and spare parts supply.
Training: On-site or remote operation/maintenance training.



Competitive pricing & bulk discounts
Fast shipping & customs clearance support
Turnkey project solutions
Bulldozers
Motor Graders
Road Rollers
Forklifts
A: Standard models ship in 15–30 days; customized units require 30–45 days.
A: Yes, we have partnered service centers in key regions.
A: Absolutely! We offer tailored attachments.
A: Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).
A: Contact us via email/phone for a quote, then confirm with a PO.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI259788". Items marked "" are certified.
Company Profile
Hunan GL Technology Co., Ltd. (GL FIBER) is a premier manufacturer of fiber optic cables in China, with operations dating back to 2004. Situated in Changsha, Hunan, the birthplace of Chairman Mao, GL FIBER offers comprehensive services encompassing research, production, sales, and logistics, catering to over 190+ countries globally.
GL FIBER boasts a workforce of more than 550 employees, with 70% of them dedicated to the technical and research departments. Among these professionals, there are 8 individuals holding doctoral degrees, 30 with master's degrees, and over 200 with bachelor's degrees. Our team is highly educated, possessing rich practical experience and deep expertise in the field of fiber optic cable business. Furthermore, they exhibit strong creativity and a collaborative team spirit, driving innovation and excellence in our operations.
GL FIBER currently possesses an extensive array of production equipment, including 18 sets of coloring equipment, 10 sets of secondary plastic coating equipment, 15 sets of SZ layer twisting equipment, 16 sets of sheathing equipment, 8 sets of FTTH drop cable production equipment, 20 sets of OPGW optical cable equipment, 1 paralleling equipment, among other auxiliary production tools. Our annual production capacity for optical cables has surged to 12 million core-km, translating to an average daily production capacity of 45, 000 core km, with various cable types totaling 1, 500 km. Our factories are proficient in manufacturing a wide range of indoor and outdoor optical cables, such as ADSS, GYFTY, GYTS, GYTA, GYFTC8Y, air-blown micro-cable, etc. The daily production capacity for common cables is 1500KM/day, for drop cables it can reach a maximum of 1200KM/day, and for OPGW, it reaches 200KM/day.
GL FIBER adheres to the standards set forth by ISO9001, ISO14001, and OHSMS18001, ensuring meticulous business operations. Our quality management system encompasses a range of activities, including design, development, procurement, production process control, inspection testing, packaging, storage, transportation, sales, and service. With a stringent management system, comprehensive detection and testing equipment, and a strong focus on research and technology innovation, GL FIBER has garnered a significant market share and earned a reputation for quality both domestically and internationally. Whether you require fiber optic cables or FTTX solutions for your projects, GL FIBER is well-equipped to meet your diverse needs. We are eager to assist you with your fiber optic project!
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No. 318, Wanjiali Road, Yuhua District, 410007, Changsha, Hunan, China
-
Plant Area
- 9916 square meters
-
Number of Employees
- 24
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shanghai Port
-
Minimum Order Quantity
- 2 Km
-
Supply Chain Partners
- 10
Our Production Capability & Technical Expertise
-
Main Products
- Fiber Optic Cables, ADSS Cables, Opgw Cables, Fiber Drop Cables, Aerial Fiber Cables, Direct-Buried Fiber Cables, Duct Fiber Cables, Air Blown Micro Cables, Anti-Rodent Fiber Cables, Bare Optical Fibe
-
Production Lines
- 6
-
Production Machines
- Optical fiber coloring machine, Stainless steel optical unit welding line, Extrusion, Stranding machine
-
QA/QC inspectors
- 2 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Finished product checked by packing staff
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
R&D Engineers
- 1 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2009-03-05
-
Export Year
- 21 Years
-
Main Markets
- South America, Southeast Asia/ Mideast, Domestic
-
Repeat Buyers Choice
- 80%~100%
-
Annual Export Revenue
- 18,078,943 USD
-
Number of Foreign Trading Staff
- 14
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO45001:2018, ISO14001
-
Product Certification
- CE
-
Cooperated with Fortune 500
- Yes
FAQ
- Do you provide after-sales service overseas?
- Yes, we have partnered service centers in key regions.
- Can I request a customized bucket size?
- Absolutely! We offer tailored attachments.
- What documents do you provide for export?
- Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).
- How do I place an order?
- Contact us via email/phone for a quote, then confirm with a PO.
- What is the warranty period?
- Standard warranty is 12 months or 2,000 operating hours; extended coverage up to 36 months is optional.
- What are the available fiber lengths?
- Available lengths include 25.2km, 50.4km, and 60km on spool.
- What certifications does the product have?
- The product is certified with RoHS, CE, and ISO9001.
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