--- product_id: 66486938 title: "LC/UPC Duplex SM(9/125) Fiber Optic Loopback Module Connector Tester Adapter" brand: "jeirdus" price: "AED 88" currency: AED in_stock: true reviews_count: 4 category: "Jeirdus" url: https://www.desertcart.ae/products/66486938-lc-upc-duplex-sm-9-125-fiber-optic-loopback-module store_origin: AE region: United Arab Emirates --- # 45~60 dB return loss ≀0.10 dB repeatability ≀0.20 dB insertion loss LC/UPC Duplex SM(9/125) Fiber Optic Loopback Module Connector Tester Adapter **Brand:** jeirdus **Price:** AED 88 **Availability:** βœ… In Stock ## Summary > πŸ”§ Test smarter, troubleshoot faster β€” never miss a network beat! ## Quick Answers - **What is this?** LC/UPC Duplex SM(9/125) Fiber Optic Loopback Module Connector Tester Adapter by jeirdus - **How much does it cost?** AED 88 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ae](https://www.desertcart.ae/products/66486938-lc-upc-duplex-sm-9-125-fiber-optic-loopback-module) ## Best For - jeirdus enthusiasts ## Why This Product - Trusted jeirdus brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Consistent Performance:** Repeatability within 0.10 dB guarantees dependable, repeat tests without surprises. - β€’ **Durable Ceramic Sleeve:** Premium ceramic connectors provide stable, long-lasting fiber coupling. - β€’ **Precision Signal Integrity:** Ultra-low insertion loss ensures crystal-clear loopback testing every time. - β€’ **Effortless Duplex Connection:** Duplex clips secure connectors for quick, accurate insertionβ€”no fumbling, no downtime. - β€’ **Reliable Network Diagnostics:** High return loss range (45~60 dB) isolates issues with pinpoint accuracy. ## Overview The LC/UPC Duplex SM(9/125) Fiber Optic Loopback Module is a precision-engineered adapter designed for fiber optic network testing and troubleshooting. Featuring ultra-low insertion loss (≀0.20 dB), high return loss (45~60 dB), and exceptional repeatability (≀0.10 dB), it ensures reliable diagnostics and consistent performance. Its ceramic sleeve connectors and duplex clips enable durable, accurate connections, making it an essential tool for professionals aiming to isolate and resolve network issues efficiently. ## Description Fiber Loop back is designed to provide a media of return patch for a fiber optic signal; typically it is used for fiber optic testing applications or network restorations. For the testing applications, the loopback signal is used for diagnosing a problem. Sending a loopback test to network equipment, one at a time, is a technique for isolating a problem. Review: Great I used this before on a fiber connection Review: fa quello che deve fare, Γ¨ arrivato velocemente: ottimo venditore ## Features - LC/UPC Duplex SM(9/125) Fiber Optic Loopback - Insertion loss ‘Ü 0.20 dB,Return loss 45~60 dB,Repeatability ‘Ü 0.10 dB,Changeability ‘Ü 0.20 dB,This adapters uses ceramic sleeve to connect between two SC fiber Optic cables. - Fiber Optic Loopback Cables provide a return signal for fiber optic equipment which can be using for tesing purposes and isolating any network issues - 100% Functionally tested before shipping,Ease and accuracy of insertion as duplex clips hold connectors togethe ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07DG3PLP1 | | Best Sellers Rank | 56,084 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 253 in Fibre Optic Cables | | Brand | Jeirdus | | Cable Type | Fibre Optic | | Colour | Loopback | | Compatible Devices | Modem | | Connector Gender | Male-to-Female | | Connector Type | lc | | Country Of Origin | China | | Customer Reviews | 4.6 4.6 out of 5 stars (45) | | Data Transfer Rate | 100 Gigabits Per Second | | Indoor Outdoor Usage | Indoor | | Item Shape | Round | | Item Weight | 10 Grams | | Manufacturer | Jeirdus | | Manufacturer Part Number | FBM-HLQ-SLC | | Model Name | FBM-HLQ | | Model Number | FBM-HLQ-SLC | | Other Special Features of the Product | Data Transfer | | Recommended Uses For Product | Fiber Optic Network Testing and Troubleshooting | | Specification Met | FCC | | UPC | 669591920557 | | Unit Count | 1.0 count | ## Product Details - **Brand:** Jeirdus - **Cable type:** Fibre Optic - **Compatible devices:** Modem - **Connector type:** lc - **Special feature:** Data Transfer ## Images ![LC/UPC Duplex SM(9/125) Fiber Optic Loopback Module Connector Tester Adapter - Image 1](https://m.media-amazon.com/images/I/31soVP4QDAL.jpg) ![LC/UPC Duplex SM(9/125) Fiber Optic Loopback Module Connector Tester Adapter - Image 2](https://m.media-amazon.com/images/I/31yy9n-CYiL.jpg) ![LC/UPC Duplex SM(9/125) Fiber Optic Loopback Module Connector Tester Adapter - Image 3](https://m.media-amazon.com/images/I/316UoSG007L.jpg) ## Available Options This product comes in different **Color, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by A***R on 13 August 2025* Great I used this before on a fiber connection ### ⭐⭐⭐⭐⭐ Review *by F***O on 15 April 2021* fa quello che deve fare, Γ¨ arrivato velocemente: ottimo venditore ### ⭐⭐⭐⭐⭐ Review *by F***O on 20 July 2025* Excelente ## Frequently Bought Together - Jeirdus LC/UPC Fiber Optic Loopback Duplex SM 9/125 Module Connector Tester Adapter - LC/UPC Fiber Optic Circuitors Connector SM & MM Fiber Optic Loopback Adapter LC Interface Signal Loop Connector (LC/UPC SM-9/125) - Visual Fault Locator 30KM, VFL Fiber Optic Tester Kit - Include Single Mode 9/125um FC Male to LC Female Adapter, Light Pen for Fiber Network Cable Test --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ae/products/66486938-lc-upc-duplex-sm-9-125-fiber-optic-loopback-module](https://www.desertcart.ae/products/66486938-lc-upc-duplex-sm-9-125-fiber-optic-loopback-module) --- *Product available on Desertcart United Arab Emirates* *Store origin: AE* *Last updated: 2026-05-06*