---
product_id: 629283556
title: "2pcs SC/UPC Loopback Adapter, Single Mode Fiber Optic Loopback Adapter SC/UPC Interface Circuitors Signal Loopback Connector - Singlemode 9/125 Test Plug for Testing Applications"
brand: "eardion"
price: "506 kr"
currency: DKK
in_stock: true
url: https://www.desertcart.dk/products/629283556-2pcs-sc-upc-loopback-adapter-single-mode-fiber-optic-loopback
store_origin: DK
region: Denmark
---

# Insertion Loss ≤0.20dB Return Loss ≥50dB ≥1000 insertions 2pcs SC/UPC Loopback Adapter, Single Mode Fiber Optic Loopback Adapter SC/UPC Interface Circuitors Signal Loopback Connector - Singlemode 9/125 Test Plug for Testing Applications

**Brand:** eardion
**Price:** 506 kr
**Availability:** ✅ In Stock

## Summary

> 🔧 Test smarter, not harder — the ultimate loopback for flawless fiber diagnostics!

## Quick Answers

- **What is this?** 2pcs SC/UPC Loopback Adapter, Single Mode Fiber Optic Loopback Adapter SC/UPC Interface Circuitors Signal Loopback Connector - Singlemode 9/125 Test Plug for Testing Applications by eardion
- **How much does it cost?** 506 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/629283556-2pcs-sc-upc-loopback-adapter-single-mode-fiber-optic-loopback)

## Best For

- eardion enthusiasts

## Why This Product

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

## Key Features

- • **Plug & Play Testing:** Effortlessly validate fiber optic links with SC/UPC singlemode 9/125 interface compatibility
- • **Robust Build Quality:** Heat-resistant PEI plastic shell guarantees reliable operation from -40°C to 80°C
- • **Unmatched Durability:** Engineered for 1000+ seamless insertions and removals without performance drop
- • **Precision Signal Integrity:** Maintain crystal-clear network diagnostics with ultra-low insertion loss ≤0.20dB
- • **Superior Network Stability:** High return loss ≥50dB ensures minimal signal reflection and maximum accuracy

## Overview

The 2pcs SC/UPC Singlemode Fiber Optic Loopback Adapter by Eardion is a high-precision testing tool designed for professional network diagnostics. Featuring a durable PEI plastic shell, it supports over 1000 insertion cycles with minimal insertion loss (≤0.20dB) and exceptional return loss (≥50dB). Compatible with SC/UPC connectors and singlemode 9/125 fiber, it operates reliably across a wide temperature range (-40°C to 80°C), making it an essential asset for equipment interconnection, patch panels, and network component testing.

## Description

Fiber Loopback is designed to provide a media of return path for a fiber optic signal, typically it is used for fiber optic testing applications or network restorations and it is absolutely an economical solution for a number of fiber optic test applications.   Specifications:  Type: Loopback Module  Test wavelength: 1310 nm-1550 nm  Fiber: Singlemode 9/125  Connector: SC/UPC  Insertion loss: Typical: ≤0.20dB Maximum: ≤0.30dB  Repeatability: ≤0.10dB  Interchangeability: ≤0.20dB  Return loss ： ≥50.0dB  Plug the performance： Plug 1000 times  Operating temperature -40 ℃ to + 80 ℃  Storage temperature: -55 ℃ to + 85 ℃   Application:  1. Equipment interconnection  2. Device pig-tailingPremise networks  3. Patch panel applications  4. Communications connections  5. Loopback for network components testing   Package includes: 2 * SC/UPC Fiber Optic Loopback Adapter

## Features

- Function: Fiber Optic Loopback Adapter is used to test the signal return in the system or network system. Through the return signal, various potential anomalies in the network link can be detected
- High Quality Material: Plastic PEI Shell, Insulation and Heat Resistance, Good Stability
- Stable Performance: Interchangeability, Repeatability, High Stability, Low Insertion Loss, High Return Loss, Repeated Insertion and Removal Times ≥ 1000 Times
- Feature: Insertion Loss ≤ 0.20dB, Return Loss ≥ 50.0dB, Loss Change after 1000 Times of Insertion and Removal ≤ 0.20dB
- Package Include: 2 pcs Multimode OM4 50/125 Fiber Optic Loopback Adapter

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Eardion |
| Item model number | SCHHSPQ-92701 |
| Package Dimensions | 8 x 4.9 x 2.49 cm; 18 g |
| ASIN | B0BGLJ8KCF |

## Product Details

- **Brand:** Eardion
- **Connector type:** Sc/Upc
- **Cable type:** Fiber Optic
- **Compatible devices:** Charging Adapter
- **Special features:** Lightweight

## Images

![2pcs SC/UPC Loopback Adapter, Single Mode Fiber Optic Loopback Adapter SC/UPC Interface Circuitors Signal Loopback Connector - Singlemode 9/125 Test Plug for Testing Applications - Image 1](https://m.media-amazon.com/images/I/41Osxl0CegL.jpg)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-03-09*