---
product_id: 601334840
title: "QIANRENON LC Multimode Duplex Fibre Optic Loopback Adapter 10Gb OM3 LC/UPC Fibre Optic Patchcord Looper Coupler 50/125μm LC Fibre Optic Test Plug, for Fibre Optic Networks Fibre Optic Cable Testing"
brand: "qianrenon"
price: "€ 26.78"
currency: EUR
in_stock: true
reviews_count: 1
category: "Qianrenon"
url: https://www.desertcart.fi/products/601334840-qianrenon-lc-multimode-duplex-fibre-optic-loopback-adapter-10gb-om3
store_origin: FI
region: Finland
---

# 10Gb/s ultra-fast Ethernet Ultra-low insertion loss ≤0.2dB OM3 50/125μm multimode duplex QIANRENON LC Multimode Duplex Fibre Optic Loopback Adapter 10Gb OM3 LC/UPC Fibre Optic Patchcord Looper Coupler 50/125μm LC Fibre Optic Test Plug, for Fibre Optic Networks Fibre Optic Cable Testing

**Brand:** qianrenon
**Price:** € 26.78
**Availability:** ✅ In Stock

## Summary

> 🔬 Test smarter, not harder — the ultimate fibre optic loopback adapter for pros who demand precision.

## Quick Answers

- **What is this?** QIANRENON LC Multimode Duplex Fibre Optic Loopback Adapter 10Gb OM3 LC/UPC Fibre Optic Patchcord Looper Coupler 50/125μm LC Fibre Optic Test Plug, for Fibre Optic Networks Fibre Optic Cable Testing by qianrenon
- **How much does it cost?** € 26.78 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/601334840-qianrenon-lc-multimode-duplex-fibre-optic-loopback-adapter-10gb-om3)

## Best For

- qianrenon enthusiasts

## Why This Product

- Trusted qianrenon brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Blazing 10Gb/s Speed:** Future-proof your network with lightning-fast data transmission that keeps you ahead in fibre optic testing.
- • **Versatile Testing Powerhouse:** Ideal for fibre optic LANs, R&D labs, FTTX testing, and optical distribution frames—your go-to tool for professional-grade network validation.
- • **Precision OM3 Duplex Compatibility:** Seamlessly connects with 50/125μm multimode LC/UPC fibres for flawless signal integrity across 850nm & 1300nm bands.
- • **Minimal Signal Loss, Maximum Accuracy:** Experience ultra-low insertion loss (≤0.2dB) and high return loss (≥60dB) for crystal-clear diagnostics every time.
- • **Rugged Reliability in Any Environment:** Operates flawlessly from -40°C to +80°C, built to endure demanding lab and field conditions without compromise.

## Overview

The QIANRENON LC Multimode Duplex Fibre Optic Loopback Adapter is a high-performance 10Gb/s OM3 LC/UPC duplex patchcord looper designed for precise fibre optic network testing. Compatible with 50/125μm multimode fibres and optimized for 850nm & 1300nm wavelengths, it delivers ultra-low insertion loss (≤0.2dB) and superior return loss (≥60dB). Built for professional environments, it supports rigorous testing in labs, LANs, and FTTX deployments, ensuring reliable diagnostics and network integrity.

## Description

LC/UPC OM3 Multimode Duplex Fibre Loopback Adapter.Designed to provide a return path medium for LC OM3 multimode fibre optic signals, mostly used in fibre optic test or fibre optic communication networks. Meets the need of 10Gb/s Ethernet transmission rate. It is used for fibre optic testing, optical distribution frame, fibre optic communication network, fibre optic LAN, R&D, fibre optic lab, fibre optic communication testing, FTTX testing.Interface Type: LC/UPC OM3 DuplexTransmission: MM 50/125μm multimode fibreWavelength: 850nm & 1300nmInsertion Loss: ≤0.2dBReturn loss: ≥60dBCore: Zirconia ceramic Operating Temperature: -40℃ to +80Storage temperature: -55°C to +85°CMarking colour: light greenPackage: 1*LC/UPC OM3 Fibre optic loopback Test plug

Review: Bueno para pruebas - Es una herramienta estupenda para asegurar que cualquier equipo tiene en correcto funcionamiento su comunicación óptica. 👍

## Features

- 【LC Fibre Optic Loopback】10Gb OM3 LC/UPC Multimode duplex fibre optic looper. Designed to provide a return path medium for LC OM3 multimode fibre optic signals, mostly used in fibre optic test or fibre optic communication networks.
- 【10Gb OM3】LC/UPC multimode duplex optical fibre loopback module, Meet the need of 10Gb/s Ethernet transmission rate.
- 【MM 50/125μm】OM3 LC/UPC Duplex Fibre Optic Loopback test plug, Connects MM 50/125μm LC multimode fibre, suitable for both 850nm and 1300nm bands.
- 【Low Loss】LC/UPC multimode duplex optical fibre Loopback Signal Test connector. Insertion loss ≤ 0.2dB, return loss ≥ 60dB.To reduce signal loss, it is recommended to connect with LC/UPC optical fibre patch cord.
- "【Application】LC multimode fibre loopback adapter.Used for fibre optic testing, optical distribution frame, fibre optic communication network, fibre optic LAN, R&D, fibre optic laboratory, fibre optic communication testing, FTTX testing."

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CKL65S1R |
| Best Sellers Rank | #104,392 in Electronics ( See Top 100 in Electronics ) #280 in Fiber Optic Cables |
| Brand | QIANRENON |
| Brand Name | QIANRENON |
| Cable Type | Fiber Optic |
| Cable type | Fiber Optic |
| Color | Blue |
| Compatible Devices | Fibre Optic Devices with LC/UPC OM3 Duplex Ports |
| Compatible devices | Fibre Optic Devices with LC/UPC OM3 Duplex Ports |
| Connectivity Technology | LC |
| Connector Gender | Female-to-Female |
| Connector Type | LC |
| Connector type | LC |
| Customer Package Type | Individual |
| Customer Reviews | 5.0 out of 5 stars 8 Reviews |
| Data Transfer Rate | 10 Gigabits Per Second |
| Ethernet Cable Category | Cat 6a |
| Included Components | NO |
| Indoor Outdoor Usage | Indoor |
| Item Shape | Round |
| Item Weight | 0.02 Kilograms |
| Manufacturer | QIANRENON |
| Model | 21507 |
| Model Name | 21507 |
| Number of Items | 21507 |
| Number of Pins | 2 |
| Other Special Features of the Product | Optic |
| Outer Material | Polyvinyl Chloride (PVC) |
| Recommended Uses For Product | fibre optic testing, optical distribution frame, fibre optic communication network, fibre optic LAN, R&D, fibre optic lab, fibre optic communication testing, FTTX testing |
| Recommended uses for product | fibre optic testing, optical distribution frame, fibre optic communication network, fibre optic LAN, R&D, fibre optic lab, fibre optic communication testing, FTTX testing Recommended uses for product fibre optic testing, optical distribution frame, fibre optic communication network, fibre optic LAN, R&D, fibre optic lab, fibre optic communication testing, FTTX testing See more |
| Special features | Optic |
| Specification Met | IEEE |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** QIANRENON
- **Connector type:** LC
- **Cable type:** Fiber Optic
- **Compatible devices:** Fibre Optic Devices with LC/UPC OM3 Duplex Ports
- **Special features:** Optic

## Images

![QIANRENON LC Multimode Duplex Fibre Optic Loopback Adapter 10Gb OM3 LC/UPC Fibre Optic Patchcord Looper Coupler 50/125μm LC Fibre Optic Test Plug, for Fibre Optic Networks Fibre Optic Cable Testing - Image 1](https://m.media-amazon.com/images/I/51szrPSaWJL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Bueno para pruebas
*by C***N on 16 December 2024*

Es una herramienta estupenda para asegurar que cualquier equipo tiene en correcto funcionamiento su comunicación óptica. 👍

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**Shop now:** [https://www.desertcart.fi/products/601334840-qianrenon-lc-multimode-duplex-fibre-optic-loopback-adapter-10gb-om3](https://www.desertcart.fi/products/601334840-qianrenon-lc-multimode-duplex-fibre-optic-loopback-adapter-10gb-om3)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-18*