---
product_id: 445782806
title: "LC/UPC Duplex SM(9/125) Fibre Optic Loopback Module Connector Tester Adapter"
brand: "jeirdus"
price: "NT$1128"
currency: TWD
in_stock: true
reviews_count: 5
url: https://www.desertcart.tw/products/445782806-lc-upc-duplex-sm-9-125-fibre-optic-loopback-module
store_origin: TW
region: Taiwan
---

# Return loss 45~60 dB Insertion loss ≤ 0.20 dB Repeatability ≤ 0.10 dB LC/UPC Duplex SM(9/125) Fibre Optic Loopback Module Connector Tester Adapter

**Brand:** jeirdus
**Price:** NT$1128
**Availability:** ✅ In Stock

## Summary

> 🔧 Connect, Test, Conquer!

## Quick Answers

- **What is this?** LC/UPC Duplex SM(9/125) Fibre Optic Loopback Module Connector Tester Adapter by jeirdus
- **How much does it cost?** NT$1128 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/445782806-lc-upc-duplex-sm-9-125-fibre-optic-loopback-module)

## Best For

- jeirdus enthusiasts

## Why This Product

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

## Key Features

- • **Durable Design:** Crafted with a ceramic sleeve for enhanced durability and performance.
- • **Precision Testing:** Achieve reliable results with high return loss for effective network diagnostics.
- • **Quality Assurance:** 100% functionality tested before shipping for peace of mind.
- • **User-Friendly Setup:** Effortless insertion with duplex clips ensuring secure connections.
- • **Seamless Connectivity:** Experience flawless data transmission with minimal insertion loss.

## Overview

The Jeirdus LC/UPC Duplex SM (9/125) Fibre Optic Loopback Module Connector Tester Adapter is engineered for precision and reliability in fiber optic testing. With an insertion loss of ≤ 0.20 dB and a return loss range of 45~60 dB, this adapter ensures optimal performance for diagnosing network issues. Its durable ceramic sleeve design and user-friendly duplex clips make it an essential tool for professionals seeking accuracy and efficiency in their fiber optic setups.

## Description

JeirdusLC/UPC Duplex SM(9/125) Fibre Optic Loopback Module Connector Tester Adapter

## Features

- LC/UPC Duplex (9/125) Fiber Optic Loopback
- Insertion loss ¡Ü 0.20 dB,Return loss 45~60 dB,Repeatability ¡Ü 0.10 dB,Changeability ¡Ü 0.20 dB,This adapters uses ceramic sleeve to connect between two SC fiber Optic cables.
- Fiber Optic Loopback Cables provide a return signal for fiber optic equipment which can be using for tesing purposes and isolating any network issues
- 100% Functionally d before shipping,Ease and accuracy of insertion as duplex clips hold connectors togethe

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07DG3PLP1 |
| Best Sellers Rank | #158,331 in Electronics ( See Top 100 in Electronics ) #979 in Fiber Optic Cables |
| Brand | Jeirdus |
| Cable Type | Fiber Optic |
| Color | LC |
| Compatible Devices | Modem |
| Compatible Phone Models | No Compatible Phone Models |
| Connector Gender | Male-to-Male |
| Connector Type | Mpo/Lc |
| Customer Package Type | sealed anti-static bag or coiled in protective tubing |
| Data Transfer Rate | 100 Gigabits Per Second |
| Date First Available | January 1, 2018 |
| Indoor/Outdoor Usage | Indoor, Outdoor |
| Is Discontinued By Manufacturer | No |
| Item Weight | 0.353 ounces |
| Item model number | FBM-HLQ-SLC |
| Manufacturer | Jeirdus |
| Model Name | FBM-HLQ |
| Number of Pins | 4 |
| Product Dimensions | 0.39 x 0.39 x 0.39 inches |
| Recommended Uses For Product | Network Testing, Network Restoration, Modem Connection |
| Shape | Round |
| Special Feature | Data Transfer |
| UPC | 669591920557 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Jeirdus
- **Connector type:** Lc/Pc-lc/Pc
- **Cable type:** Fiber Optic
- **Compatible devices:** Surveillance Camera
- **Special features:** Data Transfer

## Images

![LC/UPC Duplex SM(9/125) Fibre Optic Loopback Module Connector Tester Adapter - Image 1](https://m.media-amazon.com/images/I/31soVP4QDAL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Customer Reviews

### ⭐ 







  
  
    .9 dB Loss - Don't Buy
  

*by J***Y on Reviewed in the United States on 17 July 2024*

.9 dB Loss - Don't Buy

### ⭐⭐⭐⭐⭐ 







  
  
    The reviews and ratings for the traders
  

*by P***R on Reviewed in the United Kingdom on 29 June 2019*

Great product. Exactly as describedand ideal for me.

### ⭐ 







  
  
    Do not use
  

*by D***. on Reviewed in the United States on 2 August 2022*

Db loss was the worst ive seen. Just get a patch cord thats works or make one lol

## Frequently Bought Together

- Jeirdus LC/UPC Fiber Optic Loopback Duplex SM 9/125 Module Connector Tester Adapter
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- Visual Fault Locator 30KM, VFL Fiber Optic Tester Kit - Include Single Mode 9/125um FC Male to LC Female Adapter, Light Pen for Fiber Network Cable Test

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**Shop now:** [https://www.desertcart.tw/products/445782806-lc-upc-duplex-sm-9-125-fibre-optic-loopback-module](https://www.desertcart.tw/products/445782806-lc-upc-duplex-sm-9-125-fibre-optic-loopback-module)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-03-20*