---
product_id: 138933740
title: "2 Pack Single Mode LC 3dB Fiber Optic Attenuator, LC/UPC in-Line Fiber Attenuator, Male to Female, Single-Mode Fixed, SM, dB Options: 3dB, 5dB, 7dB, 10dB"
brand: "h!fiber.com"
price: "€ 15.05"
currency: EUR
in_stock: true
category: "H!Fiber.Com"
url: https://www.desertcart.be/products/138933740-2-pack-single-mode-lc-3db-fiber-optic-attenuator-lc
store_origin: BE
region: Belgium
---

# 3dB fixed attenuation for precise signal control ≥50dB return loss ensuring superior signal integrity ≤0.2dB polarization dependent loss for minimal signal distortion 2 Pack Single Mode LC 3dB Fiber Optic Attenuator, LC/UPC in-Line Fiber Attenuator, Male to Female, Single-Mode Fixed, SM, dB Options: 3dB, 5dB, 7dB, 10dB

**Brand:** h!fiber.com
**Price:** € 15.05
**Availability:** ✅ In Stock

## Summary

> 🔌 Power down the noise, power up your network clarity!

## Quick Answers

- **What is this?** 2 Pack Single Mode LC 3dB Fiber Optic Attenuator, LC/UPC in-Line Fiber Attenuator, Male to Female, Single-Mode Fixed, SM, dB Options: 3dB, 5dB, 7dB, 10dB by h!fiber.com
- **How much does it cost?** € 15.05 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/138933740-2-pack-single-mode-lc-3db-fiber-optic-attenuator-lc)

## Best For

- h!fiber.com enthusiasts

## Why This Product

- Trusted h!fiber.com brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ultra-Low Signal Loss:** Experience minimal insertion loss and polarization dependent loss ≤0.2dB for crystal-clear transmission.
- • **Robust Signal Integrity:** High return loss ≥50dB protects your network from signal reflections and interference.
- • **Compact & Durable Design:** Lightweight ceramic core construction ensures long-lasting stability and easy inline installation.
- • **Precision Signal Management:** Maintain optimal optical power with fixed 3dB attenuation to prevent receiver overload.
- • **Versatile Network Compatibility:** Perfect for single-mode fiber networks, optical communication, CATV, and broadband access systems.

## Overview

This 2-pack of single-mode LC/UPC fiber optic attenuators offers fixed 3dB attenuation with ultra-low insertion loss and high return loss (≥50dB). Designed with a durable ceramic core, these male-to-female inline attenuators ensure stable, reliable signal reduction to prevent optical receiver overload in professional-grade fiber optic networks.

## Description

desertcart.com: 2 Pack Single Mode LC 3dB Fiber Optic Attenuator, LC/UPC in-Line Fiber Attenuator, Male to Female, Single-Mode Fixed, SM, dB Options: 3dB, 5dB, 7dB, 10dB : Industrial & Scientific

## Features

- LC/UPC Fiber Optic Attenuator: LC/UPC Male to LC/UPC Female, 3dB, single mode fixed, Ceramic Core material, 2 Pack.
- Low Insert-loss & High Return-loss: Polarization dependent loss ≤0.2dB and Return Loss: ≥ 50dB. Using an attenuator to prevent over saturating an optical receiver when the optical power is too high and ensures low bit error rates preventing damage to receiving fiber optic equipment.
- Good Repeatability & Intercalation: Widely used in Optical Fiber Distribution Frame, Optical Communication Network, Optical Fiber Broadband Access Network, Optical Fiber CATV, Optical Fiber Testers, FLAN, the performance is stable and reliable.
- Feature: Light weight, small volume, high accuracy, good stability and convenient operation.
- Attenuator Application: Optical attenuator is a passive device used to reduce the power level of an optical signal. It is generally used in single-mode long-haul applications to prevent optical overload at the receiver.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07JNY674V |
| Best Sellers Rank | #143,242 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #20 in Fiber Optic Attenuators |
| Brand | H!Fiber.com |
| Brand Name | H!Fiber.com |
| Cable Type | Fiber Optic |
| Color | 2 pcs |
| Compatible Devices | Fiber Optic Devices |
| Connector Gender | Male-to-Female |
| Connector Type | Optical |
| Customer Reviews | 5.0 out of 5 stars 3 Reviews |
| Indoor Outdoor Usage | Indoor |
| Manufacturer | H!Fiber.com |
| Model | AT-LC/LC-UPC-01-PT-SM-3dB-1-x2 |
| Other Special Features of the Product | High Speed, Durable Core |
| Part Number | AT-LC/LC-UPC-01-PT-SM-3dB-1-x2 |
| Recommended Uses For Product | Optical Communication Networks, Signal Integrity Maintenance |
| Special Feature | High Speed, Durable Core |
| Unit Count | 2.0 Count |

## Product Details

- **Brand:** H!Fiber.com
- **Connector Type:** Optical
- **Cable Type:** Fiber Optic
- **Color:** 2 Pcs
- **Manufacturer:** H!Fiber.com

## Images

![2 Pack Single Mode LC 3dB Fiber Optic Attenuator, LC/UPC in-Line Fiber Attenuator, Male to Female, Single-Mode Fixed, SM, dB Options: 3dB, 5dB, 7dB, 10dB - Image 1](https://m.media-amazon.com/images/I/61RznYqlvdL.jpg)

## Available Options

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

## Frequently Bought Together

- 2 Pack Single Mode LC 3dB Fiber Optic Attenuator, LC/UPC in-Line Fiber Attenuator, Male to Female, Single-mode Fixed, SM, dB Options: 3dB, 5dB, 7dB, 10dB
- fyboptwu - 2 pcs 5dB LC Singlemode Fiber Attenuator 5dB LC/UPC SM Single Mode Fixed Fiber Optic Attenuator LC Male to LC Female Adapter

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**Shop now:** [https://www.desertcart.be/products/138933740-2-pack-single-mode-lc-3db-fiber-optic-attenuator-lc](https://www.desertcart.be/products/138933740-2-pack-single-mode-lc-3db-fiber-optic-attenuator-lc)

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-07-21*