--- product_id: 452930401 title: "RJ11 Duplex Telephone Adapter 2-Way 6P4C Splitter + Cable (Single White)" brand: "retailandbulk" price: "NT$730" currency: TWD in_stock: true reviews_count: 5 category: "Retail And Bulk" url: https://www.desertcart.tw/products/452930401-rj11-duplex-telephone-adapter-2-way-6p4c-splitter-cable-single store_origin: TW region: Taiwan --- # 3 Female RJ11 Sockets 3-inch Tangle-Free Cable Thick 50 Micron Gold Plating RJ11 Duplex Telephone Adapter 2-Way 6P4C Splitter + Cable (Single White) **Brand:** retailandbulk **Price:** NT$730 **Availability:** ✅ In Stock ## Summary > 📞 Double your connection, not your clutter! ## Quick Answers - **What is this?** RJ11 Duplex Telephone Adapter 2-Way 6P4C Splitter + Cable (Single White) by retailandbulk - **How much does it cost?** NT$730 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/452930401-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 - • **Dual Device Connectivity:** Split one phone line into two without signal loss—perfect for multitasking pros. - • **Certified Safe & Reliable:** RoHS and UL 94V2 housing guarantee eco-friendly, durable performance you can trust. - • **Lifetime Warranty Included:** Invest once, connect forever—backed by a no-hassle lifetime warranty. - • **Premium Gold-Plated Contacts:** 4X thicker plating ensures corrosion resistance and crystal-clear calls every time. - • **Compact & Clutter-Free Design:** Short 3-inch cable keeps your workspace sleek and tangle-free. ## Overview The RJ11 Duplex Telephone Adapter converts a single RJ11 phone jack into two, supporting dual devices like phones and fax machines. Featuring 3 female 6P4C sockets with 4X thicker 50-micron gold-plated contacts, a durable ABS UL 94V2 housing, and a short 3-inch tangle-free cable, it delivers reliable, noise-free connections. RoHS certified and tested in the USA, this adapter ensures long-lasting performance with a lifetime warranty. ## Description ADAPTER SPECS ✅ 3 Female 6P4C Sockets ✅ Housing: ABS UL 94V2 ✅ Current rating: 1.5A ✅ Contacts: Gold plated copper with 4X thicker gold plating than standard✅ Internal Wiring: 24AWG copper ✅ RoHS certified ✅ Converts a single phone jack into a dual jack ✅ Four-conductor (6P4C) design allows for operation of a 2-line phone TELEPHONE CABLE SPECS ✅ Color: White ✅ 50 Micron Gold Plating - provides long term reliability for fast and stable connection ✅ Polycarbonate Resin Plugs - offers the highest impact strength among all plastics wide operating temperature range ✅ 26 AWG Pure Copper Core Wire Conductors - one of the best for electrical conductivity to provide strong and reliable connection ✅ Precision Hand Made and Tested in USA ✅ Free of hazardous substances - all components are RoHS certified BENEFITS ● Short length eliminates unnecessary clutter behind the phone and improves signal strength ● High quality materials and construction ● Thicker gold plating provides more mating cycles and corrosion resistance ● RoHS Certified Components - All materials are safe and without hazardous substances ● Provides clear sound and reliable connection ● Each cable and adapter is tested before packing and has passed a connection test ● Will Not Make Crackle or Line Noise When Jiggling the Cord ● Duplex adapter converts a single phone jack into a dual jack WARRANTY Lifetime WarrantyPACKAGE INCLUDES ✅ Duplex Adapter ✅ 2.5 Inch Cable ✅ Retail&Bulk® Warranty Card Review: Works as advertised - Needed to replace my splitter, clip on jack broke off. Guess too many plug and unplugs. Review: it works - it does the job ## Features - 3 Female Sockets RJ11 (6P4C) Telephone Adapter - Single socket used to connect to line or telephone outlet - Double socket end used to connect 2 devices (Telephone, Fax, etc.) - Durable construction with ABS UL 94-V2 housing and thick gold plating on contacts - Comes with a 3-inch Cable ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B088Z2DFZS | | Best Sellers Rank | #142,775 in Electronics ( See Top 100 in Electronics ) #233 in Telephone Cables | | Brand | RetailAndBulk | | Brand Name | RetailAndBulk | | Cable Type | Telephone Cable | | Cable type | Telephone Cable | | Color | White | | Compatible Devices | Telephone | | Compatible Phone Models | All standard RJ11 landline phones (e.g., Panasonic, AT&T, VTech, GE) | | Compatible devices | Telephone | | Compatible phone models | All standard RJ11 landline phones (e.g., Panasonic, AT&T, VTech, GE) | | Connector Gender | Male-to-Female | | Connector Type | RJ11 | | Connector type | RJ11 | | Customer Package Type | Standard Packaging | | Customer Reviews | 4.6 out of 5 stars 1,988 Reviews | | Data Transfer Rate | 56 Kbps | | Included Components | Phone Jack Splitter and Cable | | Indoor Outdoor Usage | Outdoor | | Item Length | 2.5 Inches | | Item Shape | Round | | Manufacturer | RetailAndBulk | | Maximum Current | 1.5 Amps | | Model | RJ11 Duplex Adapter with 3 inch Cable | | Model Name | RJ11 Landline Phone Jack Splitter | | Number of Items | 1 | | Number of Pins | 4 | | Other Special Features of the Product | Tangle Free | | Part Number | RJ11 Duplex Adapter with 3 inch Cable | | Recommended Uses For Product | Phone and Fax Connection | | Special features | Tangle Free | | Specification Met | RoHS, UL | | UPC | 618020832800 | | Unit Count | 1 Count | ## Product Details - **Brand:** RetailAndBulk - **Cable type:** Telephone Cable - **Compatible devices:** Telephone - **Connector type:** RJ11 - **Special features:** Tangle Free ## 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 ### ⭐⭐⭐⭐⭐ Works as advertised *by H***K on 14 November 2024* Needed to replace my splitter, clip on jack broke off. Guess too many plug and unplugs. ### ⭐⭐⭐⭐⭐ it works *by R***1 on 2 September 2026* it does the job ### ⭐⭐⭐⭐⭐ phone jack *by C***A on 4 June 2026* it is what I wanted and works great ## 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.tw/products/452930401-rj11-duplex-telephone-adapter-2-way-6p4c-splitter-cable-single](https://www.desertcart.tw/products/452930401-rj11-duplex-telephone-adapter-2-way-6p4c-splitter-cable-single) --- *Product available on Desertcart Taiwan* *Store origin: TW* *Last updated: 2026-10-04*