---
product_id: 512437194
title: "FYBOPTWU - 2packs 10dB LC Singlemode Fiber Attenuator 10dB LC/UPC SM Single Mode Fixed Fiber Optic Attenuator LC Male to LC Female Adapter"
brand: "fyboptwu"
price: "₩63278"
currency: KRW
in_stock: true
reviews_count: 1
category: "Fyboptwu"
url: https://www.desertcart.kr/products/512437194-fyboptwu-2packs-10db-lc-singlemode-fiber-attenuator-10db-lc-upc
store_origin: KR
region: South Korea
---

# ≥50dB return loss 10dB precise attenuation ±0.7dB attenuation tolerance FYBOPTWU - 2packs 10dB LC Singlemode Fiber Attenuator 10dB LC/UPC SM Single Mode Fixed Fiber Optic Attenuator LC Male to LC Female Adapter

**Brand:** fyboptwu
**Price:** ₩63278
**Availability:** ✅ In Stock

## Summary

> 🔧 Fine-tune your fiber network like a pro — because precision is power.

## Quick Answers

- **What is this?** FYBOPTWU - 2packs 10dB LC Singlemode Fiber Attenuator 10dB LC/UPC SM Single Mode Fixed Fiber Optic Attenuator LC Male to LC Female Adapter by fyboptwu
- **How much does it cost?** ₩63278 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/512437194-fyboptwu-2packs-10db-lc-singlemode-fiber-attenuator-10db-lc-upc)

## 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

- • **Rock-Solid Stability:** Low insertion loss and high efficiency ensure your fiber link stays reliable under pressure.
- • **Next-Level Durability:** Ceramic core and metal ion erbium-doped fiber resist high-intensity optical power over time.
- • **Plug & Play Versatility:** LC/UPC Male to Female adapters fit seamlessly into EDFA, DWDM, OADM, CATV, and more.
- • **Precision Power Control:** Maintain optimal signal strength with exact 10dB attenuation for flawless network calibration.
- • **Industry-Standard Certified:** Meets Telcordia & IEC 61755 standards with RoHS-compliant materials for peace of mind.

## Overview

This 2-pack of 10dB LC Singlemode Fiber Attenuators offers precise optical signal attenuation with ±0.7dB tolerance and ≥50dB return loss. Featuring a durable ceramic core and metal ion erbium-doped fiber, these attenuators ensure low insertion loss and high stability for long-term, high-intensity optical power transmission. Fully compliant with Telcordia, IEC 61755, and RoHS standards, they are ideal for professional fiber optic systems including EDFA, DWDM, and CATV.

## 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 10dB LC Singlemode Fiber Optical Attenuator, LC SM 9/125 Single Mode LC/UPC Male to LC/UPC Female Adapter.
- 【Parameters】Attenuation Tolerance: ±0.7dB, 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 | B0BCW36XHW |
| Batteries Required? | No |
| Batteries included? | No |
| Customer Reviews | 5.0 5.0 out of 5 stars (1) |
| Date First Available | 26 Sept. 2022 |
| Item Package Quantity | 2 |
| Item Weight | 18 g |
| Item model number | Attenuator-LC UPC 10db-2PC |
| Manufacturer | Yannw-shop |
| Package Dimensions | 6.6 x 4.7 x 0.71 cm; 18 g |
| Part number | Attenuator-LC UPC 10db-2PC |
| Shape | Round |
| Specification met | RoHS |
| Style | 10dB |

## Product Details

- **Brand:** fyboptwu
- **Cable type:** Fibre Optic
- **Compatible devices:** Optical Network Equipment, Fiber Optic Transceivers, Fiber Optic Devices
- **Connector type:** Optical
- **Shape:** Round

## Images

![FYBOPTWU - 2packs 10dB LC Singlemode Fiber Attenuator 10dB LC/UPC SM Single Mode Fixed Fiber Optic Attenuator LC Male to LC Female Adapter - Image 1](https://m.media-amazon.com/images/I/21QD8LYh5oL.jpg)
![FYBOPTWU - 2packs 10dB LC Singlemode Fiber Attenuator 10dB LC/UPC SM Single Mode Fixed Fiber Optic Attenuator LC Male to LC Female Adapter - Image 2](https://m.media-amazon.com/images/I/31+vzLgDuxL.jpg)
![FYBOPTWU - 2packs 10dB LC Singlemode Fiber Attenuator 10dB LC/UPC SM Single Mode Fixed Fiber Optic Attenuator LC Male to LC Female Adapter - Image 3](https://m.media-amazon.com/images/I/31ZJ8dAHrFL.jpg)
![FYBOPTWU - 2packs 10dB LC Singlemode Fiber Attenuator 10dB LC/UPC SM Single Mode Fixed Fiber Optic Attenuator LC Male to LC Female Adapter - Image 4](https://m.media-amazon.com/images/I/31p5TxduQML.jpg)
![FYBOPTWU - 2packs 10dB LC Singlemode Fiber Attenuator 10dB LC/UPC SM Single Mode Fixed Fiber Optic Attenuator LC Male to LC Female Adapter - Image 5](https://m.media-amazon.com/images/I/416Ldc+XNML.jpg)

## Customer Reviews

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

Product worked as it should.

## Frequently Bought Together

- fyboptwu - 2packs 10dB LC Singlemode Fiber Attenuator 10dB LC/UPC SM Single Mode Fixed Fiber Optic Attenuator LC Male to LC Female Adapter
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- FLYPROFiber- 5dB LC Attenuator | dB Options: 3dB, 5dB, 7dB, 10dB, 15dB, 20dB | LC/UPC SM Single Mode Fixed Fiber Optic Attenuator, Male-Female, 2pack

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-01-23*