---
product_id: 629214643
title: "fyboptwu - 2 pcs 5dB LC Singlemode Fiber Attenuator 5dB LC/UPC SM Single Mode Fixed Fiber Optic Attenuator LC Male to LC Female Adapter"
brand: "fyboptwu"
price: "€ 76.24"
currency: EUR
in_stock: false
reviews_count: 1
category: "Fyboptwu"
url: https://www.desertcart.fi/products/629214643-fyboptwu-2-pcs-5db-lc-singlemode-fiber-attenuator-5db-lc
store_origin: FI
region: Finland
---

# 5dB precise attenuation ≥50dB return loss stability ±0.4dB tolerance accuracy fyboptwu - 2 pcs 5dB LC Singlemode Fiber Attenuator 5dB LC/UPC SM Single Mode Fixed Fiber Optic Attenuator LC Male to LC Female Adapter

**Brand:** fyboptwu
**Price:** € 76.24
**Availability:** ❌ Out of Stock

## Summary

> ⚡️ Elevate your fiber game with precision attenuation that never quits!

## Quick Answers

- **What is this?** fyboptwu - 2 pcs 5dB LC Singlemode Fiber Attenuator 5dB LC/UPC SM Single Mode Fixed Fiber Optic Attenuator LC Male to LC Female Adapter by fyboptwu
- **How much does it cost?** € 76.24 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/629214643-fyboptwu-2-pcs-5db-lc-singlemode-fiber-attenuator-5db-lc)

## Best For

- fyboptwu enthusiasts

## Why This Product

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

## Key Features

- • **Durable Ceramic Core:** Built with premium ceramic core and metal ion erbium-doped fiber to withstand intense optical power long-term.
- • **Rock-Solid Stability:** Experience ultra-low insertion loss and ≥50dB return loss for uninterrupted, high-efficiency transmission.
- • **Certified & Compliant:** Meets Telcordia, IEC 61755 standards and RoHS compliance, ensuring top-tier quality and eco-conscious design.
- • **Precision Power Control:** Maintain optimal signal strength with exact 5dB attenuation for flawless fiber optic performance.
- • **Plug & Play Compatibility:** Seamlessly integrates with LC/UPC Singlemode connectors—perfect for EDFA, DWDM, OADM, and CATV systems.

## Overview

The fyboptwu 2 pcs 5dB LC Singlemode Fiber Attenuator offers precise 5dB signal attenuation with ±0.4dB tolerance, ensuring stable and efficient optical power management. Featuring a durable ceramic core and metal ion erbium-doped fiber, it guarantees long-lasting performance with low insertion loss and high return loss (≥50dB). Designed for seamless integration with LC/UPC connectors, it supports critical fiber optic systems like EDFA, DWDM, and CATV, while meeting rigorous Telcordia, IEC 61755, and RoHS standards.

## Description

attenuators mainly used in fiber optic to debug optical power performance & optical instrument calibration correction & fiber signal attenuation to ensure the optical power in a stable and desired level in the link without any changes on its original transmission wave

Review: Product worked as it should.

## Features

- 【Package Includes】2pcs 5dB LC Singlemode Fiber Optical Attenuator, LC SM 9/125 Single Mode LC/UPC Male to LC/UPC Female Adapter.
- 【Parameters】Attenuation Tolerance: ±0.4dB, Return Loss :≥50dB, Polarization Dependent Loss:≤0.2dB, Core material: Ceramic.
- 【Advantage】Low insertion loss, high efficiency and stability, good isolation effect. Good Repeatability & Intercalation. Using metal ion erbium-doped attenuation fiber.It withstands high-intensity optical power transmission for a long time.
- 【Stander】Our products meet the Telcordia and IEC 61755 stander, all materials compliant with RoHS requirement.
- 【Application】Widely used in EDFA, DWDM, OADM, CATV and Optical Fiber System.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BCW5KJ3R |
| Are batteries included? | No |
| Brand | fyboptwu |
| Cable Type | Fibre Optic |
| Connector Gender | Male-to-Female |
| Connector Type | RJ45 |
| Country of Origin | USA |
| Customer Package Type | 2 |
| Customer Reviews | 5.0 5.0 out of 5 stars (1) |
| Date First Available | 22 April 2024 |
| Indoor/Outdoor Usage | Outdoor |
| Item Weight | 9.07 g |
| Item model number | Attenuator-LC UPC 5db-2PC |
| Manufacturer | Yannw-shop |
| Model number | Attenuator-LC UPC 5db-2PC |
| Package Dimensions | 4.83 x 3.05 x 0.51 cm; 9.07 g |
| Shape | Round |
| Specification Met | RoHS |

## Product Details

- **Brand:** fyboptwu
- **Cable Type:** Fibre Optic
- **Connector Gender:** Male-to-Female
- **Connector Type:** RJ45
- **Shape:** Round

## Images

![fyboptwu - 2 pcs 5dB LC Singlemode Fiber Attenuator 5dB LC/UPC SM Single Mode Fixed Fiber Optic Attenuator LC Male to LC Female Adapter - Image 1](https://m.media-amazon.com/images/I/310TtM7a6uL.jpg)
![fyboptwu - 2 pcs 5dB LC Singlemode Fiber Attenuator 5dB LC/UPC SM Single Mode Fixed Fiber Optic Attenuator LC Male to LC Female Adapter - Image 2](https://m.media-amazon.com/images/I/3154ojLqV0L.jpg)
![fyboptwu - 2 pcs 5dB LC Singlemode Fiber Attenuator 5dB LC/UPC SM Single Mode Fixed Fiber Optic Attenuator LC Male to LC Female Adapter - Image 3](https://m.media-amazon.com/images/I/31U8iXWlPwL.jpg)
![fyboptwu - 2 pcs 5dB LC Singlemode Fiber Attenuator 5dB LC/UPC SM Single Mode Fixed Fiber Optic Attenuator LC Male to LC Female Adapter - Image 4](https://m.media-amazon.com/images/I/31hnCgUK5GL.jpg)
![fyboptwu - 2 pcs 5dB LC Singlemode Fiber Attenuator 5dB LC/UPC SM Single Mode Fixed Fiber Optic Attenuator LC Male to LC Female Adapter - Image 5](https://m.media-amazon.com/images/I/31p5TxduQML.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by T***E on 13 November 2023*

Product worked as it should.

## Frequently Bought Together

- fyboptwu - 2 pcs 5dB LC Singlemode Fiber Attenuator 5dB LC/UPC SM Single Mode Fixed Fiber Optic Attenuator LC Male to LC Female Adapter
- 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

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**Shop now:** [https://www.desertcart.fi/products/629214643-fyboptwu-2-pcs-5db-lc-singlemode-fiber-attenuator-5db-lc](https://www.desertcart.fi/products/629214643-fyboptwu-2-pcs-5db-lc-singlemode-fiber-attenuator-5db-lc)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-12*