--- product_id: 493367806 title: "RJ11 Duplex Telephone Adapter 2-Way 6P4C Splitter + Cable (Single White)" brand: "retailandbulk" price: "€ 43.10" currency: EUR in_stock: true reviews_count: 5 category: "Retail And Bulk" url: https://www.desertcart.at/products/493367806-rj11-duplex-telephone-adapter-2-way-6p4c-splitter-cable-single store_origin: AT region: Austria --- # Gold-plated 50μm contacts 2-way RJ11 splitter 3 female RJ11 ports + cable RJ11 Duplex Telephone Adapter 2-Way 6P4C Splitter + Cable (Single White) **Brand:** retailandbulk **Price:** € 43.10 **Availability:** ✅ In Stock ## Summary > 📞 Split Smart, Connect More — Stay Ahead in Every Call! ## Quick Answers - **What is this?** RJ11 Duplex Telephone Adapter 2-Way 6P4C Splitter + Cable (Single White) by retailandbulk - **How much does it cost?** € 43.10 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/493367806-rj11-duplex-telephone-adapter-2-way-6p4c-splitter-cable-single) ## Best For - retailandbulk enthusiasts ## Why This Product - Trusted retailandbulk brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** RoHS-certified, precision-made in the USA for reliable, long-term performance you can trust. - • **Double Your Connections:** Expand one phone jack into two without signal loss—never choose between devices again. - • **Plug & Play Flexibility:** Includes detachable 2.5-inch cable and 3 female ports for seamless multi-device setup. - • **Universal Compatibility:** Works flawlessly with all standard RJ11 phones, fax machines, and modems—office or home ready. - • **Premium Signal Integrity:** Gold-plated contacts and pure copper wiring ensure crystal-clear calls and data transfer. ## Overview The RetailAndBulk RJ11 Duplex Telephone Adapter is a compact, durable splitter that converts one RJ11 phone jack into two without compromising signal quality. Featuring gold-plated contacts and pure copper wiring, it supports multiple devices like phones, fax machines, and modems with reliable, clear connections. Designed for easy installation and universal compatibility, this RoHS-certified adapter is precision-manufactured in the USA, making it an essential upgrade for efficient home or office telephony setups. ## Description The RetailAndBulk Phone Jack Splitter is a simple and reliable solution for connecting multiple devices to a single landline phone jack. This 1-in-2-out phone line splitter allows you to connect two phones, fax machines, or modems to one telephone jack without signal loss or reduced sound quality. Designed to work with standard RJ11 connections, it is compatible with most residential and office landline systems. Built with gold-plated contacts, this telephone jack splitter provides improved conductivity, durability, and consistent performance even with regular use. The compact, easy-to-install design makes it easy to split one phone jack into two while keeping your setup organized and reducing cord clutter. The included short splitter cable adds extra flexibility for convenient installation. Whether you need a phone splitter for landline phones or a dependable telephone splitter for two devices, this adapter delivers clear communication and stable connections. Its durable construction ensures long-lasting reliability for both home and office phone systems, making it an efficient and practical upgrade for managing multiple devices on a single phone line. Review: Good idea Review: Ease of install ## Features - SINGLE PHONE JACK NOT ENOUGH? - Expand one RJ11 jack into two jacks without losing signal quality - NEED FLEXIBLE CONNECTION OPTIONS? - Three female RJ11 ports with detachable 2.5-inch cable let you connect multiple devices easily - WORRIED ABOUT COMPATIBILITY? - Works with landline phones, fax machines, modems, and other RJ11 devices for voice or data connections - TIRED OF SIGNAL LOSS? - Pure copper wires and 50 micron thick gold-plated contacts with precise construction keep connections clear and reliable - LOOKING FOR RELIABLE QUALITY? - RoHS-certified parts, precision manufacturing and testing in USA deliver consistent performance, already trusted by tens of thousands ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B088Z2DFZS | | Best Sellers Rank | #617,765 in Electronics ( See Top 100 in Electronics ) #491 in Phone Cables | | Brand | RetailAndBulk | | Brand Name | RetailAndBulk | | Cable Type | Telephone Cable | | Colour | White | | Compatible Devices | Phone, Fax, Modem | | Compatible Phone Models | All standard RJ11 landline phones (e.g., Panasonic, AT&T, VTech, GE) | | Connector Gender | Male-to-Male | | Connector Type | RJ11 | | Customer Package Type | Standard Packaging | | Customer Reviews | 4.6 out of 5 stars 2,371 Reviews | | Data Transfer Rate | 56 Kbps | | Gauge | 24.0 | | Included Components | Phone Jack Splitter and Cable | | Indoor Outdoor Usage | Indoor | | Item Shape | Round | | Manufacturer | RetailAndBulk | | Maximum Voltage | 10 Volts (DC) | | Model Name | RJ11 Landline Phone Jack Splitter | | Model Number | RJ11 Duplex Adapter with 3 inch Cable | | Number Of Pins | 4 | | Number of Items | 1 | | Other Special Features of the Product | Durable | | Outer Material Type | Other | | Recommended Uses For Product | Phone and Fax Connection | | Special Feature | Durable | | Specification Met | UL | | UPC | 618020832800 | | Unit Count | 1 Count | ## Product Details - **Brand:** RetailAndBulk - **Cable Type:** Telephone Cable - **Compatible Devices:** Phone, Fax, Modem - **Connector Type:** RJ11 - **Special Feature:** Durable ## Images ![RJ11 Duplex Telephone Adapter 2-Way 6P4C Splitter + Cable (Single White) - Image 1](https://m.media-amazon.com/images/I/41NwOeR9akL.jpg) ![RJ11 Duplex Telephone Adapter 2-Way 6P4C Splitter + Cable (Single White) - Image 2](https://m.media-amazon.com/images/I/81aRzRudLAL.jpg) ![RJ11 Duplex Telephone Adapter 2-Way 6P4C Splitter + Cable (Single White) - Image 3](https://m.media-amazon.com/images/I/711GDIqY4CL.jpg) ![RJ11 Duplex Telephone Adapter 2-Way 6P4C Splitter + Cable (Single White) - Image 4](https://m.media-amazon.com/images/I/71MMZckEv6L.jpg) ![RJ11 Duplex Telephone Adapter 2-Way 6P4C Splitter + Cable (Single White) - Image 5](https://m.media-amazon.com/images/I/71QRl+PsyEL.jpg) ## Questions & Answers **Q: I need a bulk order of phone jack splitters quickly. Should I choose Amazon Prime or Ships from RetailAndBulk?** A: Ships from RetailAndBulk is fastest for bulk orders. We ship all splitters in one shipment the next business day from our NY workshop where we make them. Prime may need to transfer stock to one warehouse first or send multiple packages. **Q: Are these phone splitters compatible with all landline phones?** A: Yes, our splitters are compatible with all standard RJ11 landline phones, including AT&T, Panasonic, cordless phones, and 2-line phones. Each splitter is tested before shipping to ensure reliable performance and a great customer experience. **Q: Can I connect 2 phone handsets to this splitter?** A: No, handsets use RJ9 connectors which are smaller than RJ11 **Q: Can I use these telephone line splitters with fax machines and DSL modems?** A: Yes, our phone splitters are straight-wired to support both voice and data connections. They work with fax machines, DSL modems, and all standard landline phones. Each part is tested to ensure stable connectivity and reliable performance. **Q: Do you offer bulk discounts on large orders?** A: Yes, if you have an Amazon Business account, you will see it when adding large quantity to cart. We’ve served many large-scale projects, including hotels, retail chains, new constructions, schools, hospitals, TV stations, and fire departments. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good idea *by T***D on 2 March 2025* ### ⭐⭐⭐⭐⭐ Ease of install *by A***R on 25 February 2026* ### ⭐⭐⭐⭐⭐ Bonne connection électrique et physique. *by J***T on 11 September 2024* Bonne qualité. ## Frequently Bought Together - RetailAndBulk Phone Jack Splitter for Landline Telephone RJ11 6P4C 2 Way Adapter (1 Splitter + 2.5 Inch Cable) Made in USA - Phone extension Cord 25 Ft, Telephone Cable with Standard RJ11 Plug and 1 in-Line Couplers and 20 Cable Clip Holders, White - Uvital RJ11 Duplex Wall Jack Adapter Dual Phone Line Splitter Wall Jack Plug 1 to 2 Modular Converter Adapter for Office Home Fax Model Cordless Phone System, White(2 Pack) --- ## 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.at/products/493367806-rj11-duplex-telephone-adapter-2-way-6p4c-splitter-cable-single](https://www.desertcart.at/products/493367806-rj11-duplex-telephone-adapter-2-way-6p4c-splitter-cable-single) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-04-22*