What is the minimum return loss?

The minimum return loss is 50 dB, ensuring high signal quality.

Is the fiber type customizable?

The standard fiber type is SMF-28, which is optimized for singlemode applications.

1310nm 1550nm Singlemode Broadband Coupler

Name: 1310nm 1550nm Singlemode Broadband Coupler
Brand: GKER Photonics Co.,ltd
SKU: 2060597552

Anhui, ChinaGKER Photonics Co.,ltd

US$200.00-1,000.00

1 Piece

Product profile

Customization

Available

Center Wavelength

1310, 1550, or Specified Nm

Coupling Ratio

01/99 02/98 05/95 10/90%

Model NO.

1310nm 1550nm Coupler

Max. Insertion Losscoupling Ratio

21.5/0.2,18.5/0.25,17.5/0.3,14.6/0.4,10.8/0.65 dB

Max. Insertion Loss

7.5/1.2 5.6/1.8 4.4/2.5 3.4/3.4dB

Max. Pdl (Tap/Through Port)

0.10dB

Min. Return Loss

50dB

Min. Directivity 1 ×2 2 ×2

55 60dB

Max. Optical Power (Continuous Wave)

300MW

Fiber Type

SMF-28 Fiber

Operating Temperature

- 5 to + 70

Storage Temperature

- 40 to + 85

Transport Package

Box

Trademark

GKER

Origin

China

HS Code

9013909090

Production Capacity

10000PCS/Month

Key features

Broad Wavelength Range: Supports 1310 nm, 1550 nm, or specified wavelengths for versatile optical applications.

Customizable Coupling Ratio: Offers ratios from 1/99 to 50/50, including 20/80, 30/70, 40/60, and 10/90 options.

Low Insertion Loss: Ensures efficient signal transmission with loss as low as 3.4 dB depending on ratio.

High Return Loss: Provides excellent signal reflection control with minimum return loss of 50 dB.

Superior Directivity: Achieves high directivity up to 60 dB for 2x2 configurations to minimize crosstalk.

High Optical Power Handling: Capable of handling continuous wave optical power up to 300 mW.

Flexible Connector Options: Available with FC/UPC, FC/APC, SC/UPC, SC/APC, or no connector configurations.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceFast DeliveryLow MOQ

GKER Photonics Co.,ltd

Anhui, China

Business Type: Manufacturer/FactoryAverage Response Time: >24h

AI-Powered supplier vetting

SummaryThe supplier is explicitly identified as a professional technical supplier offering 3D software design and broad customization services. Its stated business scope covers software, electronic products and equipment, optical communication products, fiber and cable, rubber and plastic products, and related import/export activities. However, operational controls appear limited: finished products are checked by packing staff, only one quality-control employee and one R&D engineer are reported, and no quality-control test equipment was found. There are no written corrective-action or complaint-handling procedures, no raw-material traceability, and no warehouse-control evidence. Financial records are referenced for 2021–2023, but no substantive financial results are provided. No certification, customer case, or environmental and fire-compliance evidence is available in the provided slices.

Supplier typeThe supplier is explicitly described as a professional technical supplier. Its listed scope includes software and auxiliary equipment, electronic products and equipment, optical communication equipment, optical fiber and cable, and related product sales and technology import/export activities.

After-Sales capabilityThe supplier has no written procedures or records for handling customer complaints, and its service-capability assessment procedure also lacks written procedures or followed records. These findings indicate weak documented after-sales/service processes.

R&D capabilityThe supplier is identified as having R&D capability and providing 3D software design services, with one R&D engineer responsible for producing samples according to customer requirements. However, no SDK is available, and the limited staffing evidence does not establish broader innovation strength.

Production capacityProduction and fulfillment evidence is limited: finished products are checked by packing staff, quality-control staffing is one person, no quality-control test equipment was found, and the supplier reports no in-stock capacity. Peak- and off-season lead times are each stated as one month, but the overall evidence does not demonstrate robust production capability.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. Its R&D engineer is also responsible for providing samples according to customer requirements, directly supporting customized development.