What is the minimum order quantity?

The minimum order quantity is 1 piece.

Low Loss CWDM Mux Demux Module Single Mode for Wdm System

Name: Low Loss CWDM Mux Demux Module Single Mode for Wdm System
Brand: Shenzhen KOC Communication Co., Ltd.
SKU: 2137197702

Guangdong, ChinaShenzhen KOC Communication Co., Ltd.

US$20.00

10-99 Sets

US$19.00

100-999 Sets

US$16.00

1,000+ Sets

Product profile

Customization

Available

Application

Communication

Type

Single-mode Fiber

Model NO.

GR-1221-CORE

Connection Structure

Material Shape

Round Wire

Allowed Lateral Pressure

100(N/100mm)

Allowed Tensile Strength

<100N

Core

Multicore

Certification

RoHS, ISO9001

Brand

OEM

Sheath Material

PVC

Low Insertion Loss

High Channel Isolation

High Stability

High Reliability

Ultra Flat Wide Pass Band

Expoxy Free Optical Path

Transport Package

Plastic Box

Specification

SGS

Trademark

KOC

Origin

Shenzhen, China

HS Code

85177090

Production Capacity

10000

Key features

Epoxy-Free Optical Path: Ensures high reliability and stability with no epoxy in the optical path.

Ultra Flat Wide Pass Band: Provides excellent signal transmission with minimal ripple and high isolation.

Low Insertion Loss: Max insertion loss of 0.8 dB (Typ 0.6 dB) ensures efficient signal transmission.

High Channel Isolation: Min transmission isolation of 30 dB prevents signal interference between channels.

RoHS & ISO9001 Certified: Compliant with industry green initiatives and quality management standards.

Flexible Customization: Supports customization from samples, designs, and full customization options.

Bellcore GR-1221 Qualified: Tested and qualified according to strict industry telecom standards.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Shenzhen KOC Communication Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 18 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier is identified as a factory in Longhua District, Shenzhen, with export experience of 18 years and 71%–90% of total sales from exports. It offers broad customization, ODM services, and reported new product development within the past year. Finished-product inspection instructions are available and uniformly followed, while ERP is used for production, procurement, quality control, and logistics management. The supplier reports OEM service for well-known brands and participation in the ECOC offline trade show. Service strengths include in-stock capability, multiple quotation and payment options, and stated lead times within 15 working days in both peak and off-season. However, approved-supplier records lack signatures or dates, corrective-action and complaint procedures lack written records, there is no overseas warehouse, showroom, agent, or branch, and no valid manufacturing contract with affiliated subcontractors is reported. Certification evidence and specific customer cases are not provided.

Supplier typeThe supplier is explicitly identified as a factory located in Longhua District, Shenzhen, and its company type is listed as “Combined.” The available information supports a manufacturing-oriented supplier classification, but does not clarify the meaning or implications of the “Combined” type.

R&D capabilityThe supplier reports new products within the past year, provides ODM services, and offers broad design-related customization. ERP is used for production, procurement, quality control, and logistics, but no SDK is available and no other measurable innovation outcomes are stated.

Production capacityThe supplier is identified as a factory, has inventory capability, follows standardized finished-product inspection instructions, and reports lead times within 15 working days in both peak and off-season. Nevertheless, it reports no valid contract with affiliated subcontractors, which is a documented production-governance deficiency.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also provides ODM services. These records directly demonstrate broad customization coverage.

Product Q&A

Q:What is your company background?

Established in 2001, KOC Group is a state & municipal high-tech company based in Longhua District, Shenzhen, with years of fiber optic industry experience.

Q:What quality certifications do you have?

We hold power-specific telecom equipment permits, software copyrights, and occupational health & safety management system certifications.

Q:Can you customize products for my project?

Yes! Specializing in telecom, fiber connections & data cabling, we offer customization for various special specs and models.

Q:What is the maximum insertion loss?

The maximum transmission insertion loss is 0.8 dB, with a typical value of 0.6 dB.

Q:Is the product RoHS compliant?

Yes, all KOC CWDM products are epoxy-free in the optical path and comply with RoHS and WEEE industry green initiatives.