--- product_id: 629214643 title: "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: "€ 42.83" currency: EUR in_stock: true reviews_count: 1 category: "Fyboptwu" url: https://www.desertcart.pt/products/629214643-2-pcs-5db-lc-singlemode-fiber-attenuator-5db-lc-upc store_origin: PT region: Portugal --- # 5dB precise attenuation ±0.4dB tolerance accuracy ≥50dB return loss stability 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:** € 42.83 **Availability:** ✅ In Stock ## Summary > ⚡️ Attenuate with precision, power your network like a pro! ## Quick Answers - **What is this?** 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?** € 42.83 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/629214643-2-pcs-5db-lc-singlemode-fiber-attenuator-5db-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 - • **Durable Ceramic Core:** Engineered with a ceramic core and metal ion erbium-doped fiber for long-lasting, high-intensity optical power endurance. - • **Rock-Solid Stability:** Enjoy ultra-low insertion loss and high return loss (≥50dB) ensuring minimal signal degradation and maximum reliability. - • **Precision Power Control:** Maintain optimal signal strength with exact 5dB attenuation for flawless fiber optic performance. - • **Plug & Play Compatibility:** Seamlessly integrates with LC/UPC connectors, perfect for EDFA, DWDM, OADM, CATV, and advanced optical systems. - • **Certified Quality Assurance:** Meets Telcordia, IEC 61755 standards and RoHS compliance for trusted, eco-friendly performance. ## Overview This 2-pack of 5dB LC Singlemode Fiber Attenuators offers precise optical signal attenuation with ±0.4dB tolerance and exceptional return loss (≥50dB). Featuring a durable ceramic core and erbium-doped fiber, these adapters ensure stable, low-loss performance for critical fiber optic applications including EDFA, DWDM, and CATV. Certified to Telcordia and IEC standards, they deliver reliable, high-intensity optical power handling in a compact, plug-and-play LC male-to-female design. ## 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: Attenuator - 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 | | Brand | fyboptwu | | Brand Name | fyboptwu | | Cable Type | Fibre Optic | | Connector Gender | Male-to-Female | | Connector Type | RJ45 | | Customer Package Type | 2 | | Customer Reviews | 5.0 out of 5 stars 2 Reviews | | Indoor Outdoor Usage | Outdoor | | Item Shape | Round | | Manufacturer | Yannw-shop | | Model Number | Attenuator-LC UPC 5db-2PC | | Part Number | Attenuator-LC UPC 5db-2PC | | Shape | Round | | Specification Met | RoHS | ## Product Details - **Brand:** fyboptwu - **Cable Type:** Fibre Optic - **Connector Gender:** Male-to-Female - **Connector Type:** RJ45 - **Shape:** Round ## Images ![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/51te5F9Xi0L.jpg) ![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/51apm2KbJ3L.jpg) ![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/61Li-q0-AdL.jpg) ![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/61isC79XRML.jpg) ![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/51weFOXUX1L.jpg) ## Available Options This product comes in different **Customer Package Type, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Attenuator *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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/629214643-2-pcs-5db-lc-singlemode-fiber-attenuator-5db-lc-upc](https://www.desertcart.pt/products/629214643-2-pcs-5db-lc-singlemode-fiber-attenuator-5db-lc-upc) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-06-26*