---
product_id: 515248311
title: "2pcs Loopback Adapter, Single Mode Fiber Optic Loopback Adapter, Interface Circuitors Signal Loopback Connector (SC/UPC, Single Mode)"
brand: "eardion"
price: "€ 42.13"
currency: EUR
in_stock: true
url: https://www.desertcart.es/products/515248311-2pcs-loopback-adapter-single-mode-fiber-optic-loopback-adapter-interface
store_origin: ES
region: Spain
---

# Insertion Loss ≤ 0.20dB Return Loss ≥ 50dB ≥1000 insertions 2pcs Loopback Adapter, Single Mode Fiber Optic Loopback Adapter, Interface Circuitors Signal Loopback Connector (SC/UPC, Single Mode)

**Brand:** eardion
**Price:** € 42.13
**Availability:** ✅ In Stock

## Summary

> 🔧 Test smarter, not harder — loopback your way to flawless fiber networks!

## Quick Answers

- **What is this?** 2pcs Loopback Adapter, Single Mode Fiber Optic Loopback Adapter, Interface Circuitors Signal Loopback Connector (SC/UPC, Single Mode) by eardion
- **How much does it cost?** € 42.13 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/515248311-2pcs-loopback-adapter-single-mode-fiber-optic-loopback-adapter-interface)

## 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

- • **Endless Reliability:** Engineered for 1000+ repeated insertions without performance drop, ensuring long-term network stability.
- • **Precision Ceramic Ferrule:** Ultra-low insertion loss ≤ 0.20dB guarantees minimal signal attenuation and maximum efficiency.
- • **Plug & Play Network Testing:** Ideal for quick diagnostics and loopback testing, empowering proactive network maintenance.
- • **Robust Heat-Resistant Build:** Durable PEI plastic shell withstands extreme temperatures from -40°C to +80°C for consistent operation.
- • **Crystal-Clear Signal Integrity:** High return loss ≥ 50dB minimizes signal reflection for flawless data transmission.

## Overview

This 2-piece Single Mode Fiber Optic Loopback Adapter set features high-quality ceramic ferrules and a heat-resistant PEI shell, delivering ultra-low insertion loss (≤0.20dB) and high return loss (≥50dB). Designed for over 1000 insertion cycles, it ensures reliable, repeatable network testing and diagnostics, making it an essential tool for professional fiber optic maintenance and troubleshooting.

## 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: Multimode OM4 50/125  Connector: LC/UPC  Insertion loss: Typical: ≤0.20dB Maximum: ≤0.30dB  Repeatability: ≤0.10dB  Interchangeability: ≤0.20dB  Return loss ： ≥60.0dB  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

## 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.
- 【Ceramic Ferrule】High-quality Ceramic Ferrule, Insertion Loss ≤ 0.20dB, Return Loss ≥ 50.0dB, Loss Change after 1000 Times of Insertion and Removal ≤ 0.20dB.
- 【Package Include】2pcs Multimode OM4 50/125 Fiber Optic Loopback Adapter.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Eardion |
| Part number | SCHHSPQ-92701 |
| Item Weight | 18 g |
| Package Dimensions | 8 x 4.9 x 2.49 cm; 18 g |
| Item model number | SCHHSPQ-92701 |
| Colour | Single Mode |
| Style | SC/UPC |
| Finish | Ceramic |
| Material | ceramic, plastic, fiber |
| Shape | Round |
| Item Package Quantity | 1 |
| Special Features | High Speed |
| Included components | 2 PCS Fiber Optic Loopback Adapter |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** Eardion
- **Connector type:** Lc/Upc Sc/Upc
- **Cable type:** Fibre Optic
- **Compatible devices:** Charging Adapter
- **Special feature:** High Speed

## Images

![2pcs Loopback Adapter, Single Mode Fiber Optic Loopback Adapter, Interface Circuitors Signal Loopback Connector (SC/UPC, Single Mode) - Image 1](https://m.media-amazon.com/images/I/41Osxl0CegL.jpg)
![2pcs Loopback Adapter, Single Mode Fiber Optic Loopback Adapter, Interface Circuitors Signal Loopback Connector (SC/UPC, Single Mode) - Image 2](https://m.media-amazon.com/images/I/515aSENpvFL.jpg)
![2pcs Loopback Adapter, Single Mode Fiber Optic Loopback Adapter, Interface Circuitors Signal Loopback Connector (SC/UPC, Single Mode) - Image 3](https://m.media-amazon.com/images/I/51d87lz3p0L.jpg)
![2pcs Loopback Adapter, Single Mode Fiber Optic Loopback Adapter, Interface Circuitors Signal Loopback Connector (SC/UPC, Single Mode) - Image 4](https://m.media-amazon.com/images/I/41JJzPXi4JL.jpg)
![2pcs Loopback Adapter, Single Mode Fiber Optic Loopback Adapter, Interface Circuitors Signal Loopback Connector (SC/UPC, Single Mode) - Image 5](https://m.media-amazon.com/images/I/71mTn5e3InL.jpg)

## Available Options

This product comes in different **Colour Name, Style Name** options.

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-03-14*