---
product_id: 638307011
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: "¥12128"
currency: JPY
in_stock: false
reviews_count: 1
category: "Qianrenon"
url: https://www.desertcart.jp/products/638307011-qianrenon-lc-multimode-duplex-fibre-optic-loopback-adapter-10gb-om3
store_origin: JP
region: Japan
---

# 10Gb/s ultra-fast Ethernet Ultra-low insertion loss ≤0.2dB OM3 50/125μm multimode fibre 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:** ¥12128
**Availability:** ❌ Out of Stock

## Summary

> 🔌 Plug into precision — test like a pro, connect like a boss!

## 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?** ¥12128 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/638307011-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

- • **Rugged & Reliable:** Operates seamlessly from -40°C to +80°C, built to endure demanding environments.
- • **Minimal Signal Loss:** Insertion loss ≤0.2dB and return loss ≥60dB for flawless network testing.
- • **Blazing 10Gb/s Speed:** Supports cutting-edge Ethernet transmission for lightning-fast data flow.
- • **Precision OM3 Duplex Design:** Engineered for 50/125μm multimode fibre ensuring crystal-clear signal integrity.
- • **Versatile Testing Powerhouse:** Ideal for fibre optic labs, R&D, FTTX, and communication network diagnostics.

## Overview

The QIANRENON LC Multimode Duplex Fibre Optic Loopback Adapter is a high-performance 10Gb OM3 LC/UPC duplex fibre optic test plug designed for professional fibre optic network testing and diagnostics. Compatible with 50/125μm multimode fibre at 850nm and 1300nm wavelengths, it delivers ultra-low insertion loss (≤0.2dB) and high return loss (≥60dB), ensuring accurate signal loopback for Ethernet and communication network validation. Built for durability and precision, it supports a wide temperature range and is essential for R&D, FTTX, and fibre optic LAN testing environments.

## 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: 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 |
| Are batteries included? | No |
| Brand | QIANRENON |
| Cable Type | Fibre Optic |
| Colour | Blue |
| Compatible Devices | fibre optic communication network |
| Connectivity Technology | LC |
| Connector Gender | Female-to-Female |
| Connector Type | LC |
| Country of Origin | USA |
| Customer Reviews | 5.0 5.0 out of 5 stars (8) |
| Data Transfer Rate | 10 Gigabits Per Second |
| Date First Available | 11 October 2023 |
| Ethernet cable category | Cat 6a |
| Included Components | NO |
| Indoor/Outdoor Usage | Indoor |
| Item Weight | 20 g |
| Item model number | 21507 |
| Manufacturer | QIANRENON |
| Model Name | 21507 |
| Model number | 21507 |
| Net Quantity | 1.0 Count |
| Number of Items | 21507 |
| Number of Pins | 2 |
| Outer Material | Polyvinyl Chloride (PVC) |
| Package Dimensions | 10.5 x 7.8 x 1.2 cm; 20 g |
| Recommended Uses For Product | Fibre Optic Networking, Fibre Optic Testing |
| Shape | Round |
| Special Feature | Optic |

## Product Details

- **Brand:** QIANRENON
- **Cable Type:** Fibre Optic
- **Compatible Devices:** fibre optic communication network
- **Connector Type:** LC
- **Special Feature:** 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/3104pZl2CCL.jpg)
![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 2](https://m.media-amazon.com/images/I/41-D1tgmj9L.jpg)
![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 3](https://m.media-amazon.com/images/I/418b1OK-zIL.jpg)
![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 4](https://m.media-amazon.com/images/I/41YIghKY93L.jpg)
![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 5](https://m.media-amazon.com/images/I/51+aLWw-8uL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*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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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-14*