--- product_id: 602697838 title: "Duplex 2-Pack LC Fiber Optic Keystone Coupler Jack, UPC, Duplex Compatible, LC to LC Multimode Fiber Coupler, for Fiber Wall Plate, Surface Mount Boxes" brand: "vandesail" price: "117 zł" currency: PLN in_stock: true reviews_count: 5 category: "Vandesail" url: https://www.desertcart.pl/products/602697838-duplex-2-pack-lc-fiber-optic-keystone-coupler-jack-upc store_origin: PL region: Poland --- # Ultra-low insertion loss ≤0.10dB Duplex LC to LC connectivity Durable phosphor bronze & stainless steel Duplex 2-Pack LC Fiber Optic Keystone Coupler Jack, UPC, Duplex Compatible, LC to LC Multimode Fiber Coupler, for Fiber Wall Plate, Surface Mount Boxes **Brand:** vandesail **Price:** 117 zł **Availability:** ✅ In Stock ## Summary > 🔌 Elevate your network game with flawless fiber finesse! ## Quick Answers - **What is this?** Duplex 2-Pack LC Fiber Optic Keystone Coupler Jack, UPC, Duplex Compatible, LC to LC Multimode Fiber Coupler, for Fiber Wall Plate, Surface Mount Boxes by vandesail - **How much does it cost?** 117 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/602697838-duplex-2-pack-lc-fiber-optic-keystone-coupler-jack-upc) ## Best For - vandesail enthusiasts ## Why This Product - Trusted vandesail brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Flexible Bulk Packaging:** Choose from 2 to 100-pack options to scale your network without overspending. - • **Universal Compatibility:** Supports Single Mode OS2 & Multimode OM1-OM4 fibers for versatile deployment. - • **Clean & Protected Design:** Protective caps and flangeless build keep your fiber connections pristine and reliable. - • **Plug-and-Play Efficiency:** Ceramic sleeves ensure secure, repeatable connections with minimal signal loss. - • **Seamless Duplex Integration:** Connect two LC fiber cables effortlessly for high-speed data flow. ## Overview The Duplex 2-Pack LC Fiber Optic Keystone Coupler Jack offers a cost-effective, high-performance solution for connecting LC fiber cables in data centers and telecom networks. Featuring ultra-low insertion loss, durable phosphor bronze sleeves, and stainless steel retention clips, it supports both single mode and multimode fibers. Its versatile packaging and easy installation into standard keystone wall plates or patch panels make it ideal for scalable, clean, and reliable fiber optic network setups. ## Description The Fiber Optic LC Keystone Coupler Jack is designed for seamless integration into keystone patch panels. This duplex coupler connects LC to LC fiber cables, ensuring high-quality signal transmission with its Universal Polishing Connector (UPC). Ideal for data centers and telecommunication networks, its compact design suits various applications. This various packaging options coupler set is perfect for large network installations, offering easy, reliable connections for diverse network infrastructures. It supports various data rates and bandwidths, making it a versatile choice for enhancing network performance and stability. Keystone Specifications Connectors: 2 x Duplex LC Female Core Compatibility: SM/MM, 9/50/62.5 Microns Sleeve: Phosphor Bronze Standard: ABS UL 94V-O(Highly Fire-Resistant Material) Retention Clip: Stainless Steel Repeatability: ≤0.10dB Interchangeability: ≤0.20dB Package Contents LC Duplex Single Mode/Multimode Fiber F/F Keystone Jack Inserts(2, 5, 10, 20, 50, or 100 packs) Review: The LC to LC Fiber Keystone is a great solution for my 10-gig home network. These keystones allow for a clean and organized installation while maintaining full speed and performance. The connectors fit securely, and I’ve experienced no issues with signal quality or speed. They are a perfect choice for anyone looking to create a neat and efficient fiber network without compromising on performance. Highly recommended for high-speed setups! Review: Saved me plenty. Works flawless ## Features - Cost-Effective and Flexible: Available in various pack sizes (2, 5, 10, 20, 50, or 100 packs), Offers flexibility and cost savings. The reusable LC to LC F/F Coupler Keystone Jack inserts with caps ensure convenience during upgrades. - Easy Installation: Installing our fiber optic coupler is a breeze. It fits perfectly into standard-size keystone fiber wall plates or patch panels, offering a hassle-free setup using fiber optic keystone. - Protective and Efficient Design: The duplex Fiber Optic Coupler LC Keystone Coupler/Adapters comes with protective caps to keep the fiber Optic Adapters and fiber cables clean, while its flangeless design, phosphor bronze sleeve, and stainless steel retention clip allow for efficient use with Female to Female LC. Fiber Optic Coupler. - Wide Compatibility: Compatible with Single Mode OS2, 9 microns, and Multimode OM1, OM2, OM3, OM4, and 50 microns or 62.5 microns fiber patch cords.The Fiber Optic LC Keystone Jack Coupler inserts can be seamlessly integrated into wall plates, patch panels, and surface mount boxes. - User-Friendly: The LC Fiber Optic Coupler Keystone Jack utilize ceramic sleeves for a secure connection between two LC fiber optic cables, making it a plug-and-play solution that is convenient and efficient. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CPLVQHZV | | Best Sellers Rank | #132,856 in Electronics ( See Top 100 in Electronics ) #382 in Fiber Optic Cables | | Item model number | SPQ-MM-2P-KK | | Manufacturer | LC to LC Fiber Keystone Jack | | Package Dimensions | 12.09 x 8.99 x 2.31 cm; 9 g | ## Product Details - **Brand:** VANDESAIL - **Cable type:** LC Fiber Optic Coupler Keystone Jack - **Compatible devices:** Singlemode&Multimode,OS2/OM3/OM4 - **Connector type:** Lc-lc - **Special features:** Single-Mode and Multimode Compatible ## Images ![Duplex 2-Pack LC Fiber Optic Keystone Coupler Jack, UPC, Duplex Compatible, LC to LC Multimode Fiber Coupler, for Fiber Wall Plate, Surface Mount Boxes - Image 1](https://m.media-amazon.com/images/I/61Wz8u2eqeL.jpg) ## Available Options This product comes in different **Color, Size, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by J***E on 7 January 2025* The LC to LC Fiber Keystone is a great solution for my 10-gig home network. These keystones allow for a clean and organized installation while maintaining full speed and performance. The connectors fit securely, and I’ve experienced no issues with signal quality or speed. They are a perfect choice for anyone looking to create a neat and efficient fiber network without compromising on performance. Highly recommended for high-speed setups! ### ⭐⭐⭐⭐⭐ Review *by V***. on 30 September 2025* Saved me plenty. Works flawless ### ⭐⭐⭐⭐⭐ Review *by M***U on 24 April 2025* These keystones have worked great so far, they snap in securely, and there is no loss in performance. If you have fiber runs and don't need enterprise class fiber management or you just need to terminate in a wall plate these are great option. --- ## 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.pl/products/602697838-duplex-2-pack-lc-fiber-optic-keystone-coupler-jack-upc](https://www.desertcart.pl/products/602697838-duplex-2-pack-lc-fiber-optic-keystone-coupler-jack-upc) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-23*