--- product_id: 601334840 title: "QIANRENON LC Multimode Duplex Fibre Optic Loopback Adapter 10Gb OM3 LC/UPC Fibre Optic Patchcord Looper Coupler 50/125μm LC Fibre Optic Test Plug, for Fibre Optic Networks Fibre Optic Cable Testing" brand: "qianrenon" price: "269 kr" currency: DKK in_stock: true reviews_count: 1 category: "Qianrenon" url: https://www.desertcart.dk/products/601334840-qianrenon-lc-multimode-duplex-fibre-optic-loopback-adapter-10gb-om3 store_origin: DK region: Denmark --- # 10Gb/s ultra-fast Ethernet Ultra-low insertion loss ≤0.2dB OM3 50/125μm multimode duplex QIANRENON LC Multimode Duplex Fibre Optic Loopback Adapter 10Gb OM3 LC/UPC Fibre Optic Patchcord Looper Coupler 50/125μm LC Fibre Optic Test Plug, for Fibre Optic Networks Fibre Optic Cable Testing **Brand:** qianrenon **Price:** 269 kr **Availability:** ✅ In Stock ## Summary > 🔬 Test smarter, not harder — the ultimate fibre optic loopback adapter for pros who demand precision. ## Quick Answers - **What is this?** QIANRENON LC Multimode Duplex Fibre Optic Loopback Adapter 10Gb OM3 LC/UPC Fibre Optic Patchcord Looper Coupler 50/125μm LC Fibre Optic Test Plug, for Fibre Optic Networks Fibre Optic Cable Testing by qianrenon - **How much does it cost?** 269 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/601334840-qianrenon-lc-multimode-duplex-fibre-optic-loopback-adapter-10gb-om3) ## Best For - qianrenon enthusiasts ## Why This Product - Trusted qianrenon brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Blazing 10Gb/s Speed:** Future-proof your network with lightning-fast data transmission that keeps you ahead in fibre optic testing. - • **Versatile Testing Powerhouse:** Ideal for fibre optic LANs, R&D labs, FTTX testing, and optical distribution frames—your go-to tool for professional-grade network validation. - • **Precision OM3 Duplex Compatibility:** Seamlessly connects with 50/125μm multimode LC/UPC fibres for flawless signal integrity across 850nm & 1300nm bands. - • **Minimal Signal Loss, Maximum Accuracy:** Experience ultra-low insertion loss (≤0.2dB) and high return loss (≥60dB) for crystal-clear diagnostics every time. - • **Rugged Reliability in Any Environment:** Operates flawlessly from -40°C to +80°C, built to endure demanding lab and field conditions without compromise. ## Overview The QIANRENON LC Multimode Duplex Fibre Optic Loopback Adapter is a high-performance 10Gb/s OM3 LC/UPC duplex patchcord looper designed for precise fibre optic network testing. Compatible with 50/125μm multimode fibres and optimized for 850nm & 1300nm wavelengths, it delivers ultra-low insertion loss (≤0.2dB) and superior return loss (≥60dB). Built for professional environments, it supports rigorous testing in labs, LANs, and FTTX deployments, ensuring reliable diagnostics and network integrity. ## Description LC/UPC OM3 Multimode Duplex Fibre Loopback Adapter.Designed to provide a return path medium for LC OM3 multimode fibre optic signals, mostly used in fibre optic test or fibre optic communication networks. Meets the need of 10Gb/s Ethernet transmission rate. It is used for fibre optic testing, optical distribution frame, fibre optic communication network, fibre optic LAN, R&D, fibre optic lab, fibre optic communication testing, FTTX testing.Interface Type: LC/UPC OM3 DuplexTransmission: MM 50/125μm multimode fibreWavelength: 850nm & 1300nmInsertion Loss: ≤0.2dBReturn loss: ≥60dBCore: Zirconia ceramic Operating Temperature: -40℃ to +80Storage temperature: -55°C to +85°CMarking colour: light greenPackage: 1*LC/UPC OM3 Fibre optic loopback Test plug Review: Bueno para pruebas - Es una herramienta estupenda para asegurar que cualquier equipo tiene en correcto funcionamiento su comunicación óptica. 👍 ## Features - 【LC Fibre Optic Loopback】10Gb OM3 LC/UPC Multimode duplex fibre optic looper. Designed to provide a return path medium for LC OM3 multimode fibre optic signals, mostly used in fibre optic test or fibre optic communication networks. - 【10Gb OM3】LC/UPC multimode duplex optical fibre loopback module, Meet the need of 10Gb/s Ethernet transmission rate. - 【MM 50/125μm】OM3 LC/UPC Duplex Fibre Optic Loopback test plug, Connects MM 50/125μm LC multimode fibre, suitable for both 850nm and 1300nm bands. - 【Low Loss】LC/UPC multimode duplex optical fibre Loopback Signal Test connector. Insertion loss ≤ 0.2dB, return loss ≥ 60dB.To reduce signal loss, it is recommended to connect with LC/UPC optical fibre patch cord. - "【Application】LC multimode fibre loopback adapter.Used for fibre optic testing, optical distribution frame, fibre optic communication network, fibre optic LAN, R&D, fibre optic laboratory, fibre optic communication testing, FTTX testing." ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CKL65S1R | | Best Sellers Rank | #104,392 in Electronics ( See Top 100 in Electronics ) #280 in Fiber Optic Cables | | Brand | QIANRENON | | Brand Name | QIANRENON | | Cable Type | Fiber Optic | | Cable type | Fiber Optic | | Color | Blue | | Compatible Devices | Fibre Optic Devices with LC/UPC OM3 Duplex Ports | | Compatible devices | Fibre Optic Devices with LC/UPC OM3 Duplex Ports | | Connectivity Technology | LC | | Connector Gender | Female-to-Female | | Connector Type | LC | | Connector type | LC | | Customer Package Type | Individual | | Customer Reviews | 5.0 out of 5 stars 8 Reviews | | Data Transfer Rate | 10 Gigabits Per Second | | Ethernet Cable Category | Cat 6a | | Included Components | NO | | Indoor Outdoor Usage | Indoor | | Item Shape | Round | | Item Weight | 0.02 Kilograms | | Manufacturer | QIANRENON | | Model | 21507 | | Model Name | 21507 | | Number of Items | 21507 | | Number of Pins | 2 | | Other Special Features of the Product | Optic | | Outer Material | Polyvinyl Chloride (PVC) | | Recommended Uses For Product | fibre optic testing, optical distribution frame, fibre optic communication network, fibre optic LAN, R&D, fibre optic lab, fibre optic communication testing, FTTX testing | | Recommended uses for product | fibre optic testing, optical distribution frame, fibre optic communication network, fibre optic LAN, R&D, fibre optic lab, fibre optic communication testing, FTTX testing Recommended uses for product fibre optic testing, optical distribution frame, fibre optic communication network, fibre optic LAN, R&D, fibre optic lab, fibre optic communication testing, FTTX testing See more | | Special features | Optic | | Specification Met | IEEE | | Unit Count | 1.0 Count | ## Product Details - **Brand:** QIANRENON - **Connector type:** LC - **Cable type:** Fiber Optic - **Compatible devices:** Fibre Optic Devices with LC/UPC OM3 Duplex Ports - **Special features:** Optic ## Images ![QIANRENON LC Multimode Duplex Fibre Optic Loopback Adapter 10Gb OM3 LC/UPC Fibre Optic Patchcord Looper Coupler 50/125μm LC Fibre Optic Test Plug, for Fibre Optic Networks Fibre Optic Cable Testing - Image 1](https://m.media-amazon.com/images/I/51szrPSaWJL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Bueno para pruebas *by C***N on 16 December 2024* Es una herramienta estupenda para asegurar que cualquier equipo tiene en correcto funcionamiento su comunicación óptica. 👍 --- ## 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.dk/products/601334840-qianrenon-lc-multimode-duplex-fibre-optic-loopback-adapter-10gb-om3](https://www.desertcart.dk/products/601334840-qianrenon-lc-multimode-duplex-fibre-optic-loopback-adapter-10gb-om3) --- *Product available on Desertcart Denmark* *Store origin: DK* *Last updated: 2026-04-27*