--- product_id: 100209046 title: "RJ11 Phone Jack Splitter 1 to 2, Duplex Wall Adapter, 2 Pack, White" brand: "uvital" price: "$19.59" currency: USD in_stock: true reviews_count: 13 category: "Uvital" url: https://www.desertcart.us/products/100209046-rj11-phone-jack-splitter-1-to-2-duplex-wall-adapter store_origin: US region: United States of America --- # Ideal for home & office 2-port RJ11 splitter Plug-and-play setup RJ11 Phone Jack Splitter 1 to 2, Duplex Wall Adapter, 2 Pack, White **Brand:** uvital **Price:** $19.59 **Availability:** ✅ In Stock ## Summary > 📞 Double your phone line power—connect more, stress less! ## Quick Answers - **What is this?** RJ11 Phone Jack Splitter 1 to 2, Duplex Wall Adapter, 2 Pack, White by uvital - **How much does it cost?** $19.59 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/100209046-rj11-phone-jack-splitter-1-to-2-duplex-wall-adapter) ## Best For - uvital enthusiasts ## Why This Product - Trusted uvital brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Setup:** Snap-in duplex adapter requires zero tools or technical skills—plug and play instantly. - • **Space-Saving 2-Pack:** Two adapters in one bundle to cover multiple rooms or devices without extra purchases. - • **Double Your Connections:** Split one RJ11 jack into two independent phone lines—no rewiring needed. - • **Reliable Analog Line Support:** Designed exclusively for analog phone lines—perfect for landlines, no internet interference. - • **Universal RJ11 Compatibility:** Works seamlessly with all standard analog phones, fax machines, and modems. ## Overview The Uvital RJ11 Phone Jack Splitter 1 to 2 Duplex Wall Adapter (2-pack) lets you effortlessly convert a single RJ11 phone jack into two independent lines. Perfect for home offices and multi-device setups, it supports all standard analog phones and fax machines with a simple plug-and-play design—no tools or rewiring required. This reliable, space-saving solution is a must-have for anyone looking to maximize their phone line utility without hassle. ## Description desertcart.com : Uvital RJ11 Phone Jack Splitter 1 to 2, Duplex Wall Adapter, 2 Pack, White | Wireless Phone Line Splitter for Landline, Connect 2 Phones, Fax or Modem to 1 RJ11 Port, Telephone Line Splitter Home Office : Office Products Review: Everything was fine, no problems - They were fine. No problems. Review: Perfect - Exactly what we needed for my elderly mom. She needs cordless phones around her home for easy calling, but my brother also wanted a corded phone for reliability. Finding this set was the perfect solution—it made everything so simple and works great for both needs. ## Features - DOUBLE WALL JACK – Converts one standard RJ11 modular wall jack into two independent outputs; Connect two devices simultaneously to a single phone line jack without rewiring or calling a technician; Perfect for home offices, bedrooms, and workspaces with limited phone jacks - PHONE LINE SPLITTER ONLY – Designed exclusively for splitting standard RJ11 analog phone lines; Does NOT support internet, Ethernet, or network data transmission or conversion; Not compatible with VOIP phones, Cox equipment, or RJ45 connectors - WORKS WITH ALL STANDARD RJ11 DEVICES – Compatible with landline phones, fax machines, answering machines, caller ID units, modems, and cordless phone base stations using standard RJ11 6P4C connectors - SOLID CONNECTION, PLUG-AND-PLAY SETUP – 4-conductor duplex adapter snaps firmly into any standard wall jack; No tools, no drilling, no wiring required; Simply plug in and both ports are ready to use – ideal for users of all experience levels - 2-PACK VALUE BUNDLE – Includes two identical duplex wall jack adapters ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07K4Q14NM | | Best Sellers Rank | #13 in Telephone Wires | | Brand | Uvital | | Built-In Media | Duplex Wall Jack Adapter | | Color | White | | Compatible Devices | Telephone | | Connector Type | RJ11 | | Customer Reviews | 4.5 out of 5 stars 2,410 Reviews | | Finish | White | | Finish Type | White | | Item Dimensions | 5.91 x 4.13 x 1.18 inches | | Item Weight | 0.02 kg | | Item dimensions L x W x H | 5.91 x 4.13 x 1.18 inches | | Manufacturer | Uvital | | Mfr Part Number | uv201908211458 | | Model Number | 8541727342 | | Number of Items | 2 | | Number of Ports | 2 | | Package Quantity | 1 | | Power Plug Type | No Plug | | UPC | 682604638522 | | Unit Count | 2 Count | ## Product Details - **Brand:** Uvital - **Color:** White - **Compatible Devices:** Telephone - **Connector Type:** RJ11 - **Item dimensions L x W x H:** 5.91 x 4.13 x 1.18 inches ## Images ![RJ11 Phone Jack Splitter 1 to 2, Duplex Wall Adapter, 2 Pack, White - Image 1](https://m.media-amazon.com/images/I/61fvaexXNRL.jpg) ![RJ11 Phone Jack Splitter 1 to 2, Duplex Wall Adapter, 2 Pack, White - Image 2](https://m.media-amazon.com/images/I/71HQb-bbffL.jpg) ![RJ11 Phone Jack Splitter 1 to 2, Duplex Wall Adapter, 2 Pack, White - Image 3](https://m.media-amazon.com/images/I/61ZcKPCjr5L.jpg) ![RJ11 Phone Jack Splitter 1 to 2, Duplex Wall Adapter, 2 Pack, White - Image 4](https://m.media-amazon.com/images/I/61VmsjdTAsL.jpg) ![RJ11 Phone Jack Splitter 1 to 2, Duplex Wall Adapter, 2 Pack, White - Image 5](https://m.media-amazon.com/images/I/8162jaowwkL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: 0ld wall recepter has four holes for phone line to plug into. can I buy a phone to match?** A: Any land line phone with a standard line plug or attached line should work just fine. **Q: what side does the phone line plug in and what side to plug the fax line or does it matter two different numbers** A: The only one mattering is the one to the phone line. The others are your choice. **Q: I have one wall jack, with two lines. Can I use this to have two phones plugged in, and have both phones receive both lines?** A: no only one phone line can use the jack not two different lines **Q: will this work to run my wireless printer and my computer?** A: It works wonderfully with my home phone and printer/fax. Thus far I have not had any complaints. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Everything was fine, no problems *by A***R on April 28, 2026* They were fine. No problems. ### ⭐⭐⭐⭐⭐ Perfect *by A***R on August 31, 2025* Exactly what we needed for my elderly mom. She needs cordless phones around her home for easy calling, but my brother also wanted a corded phone for reliability. Finding this set was the perfect solution—it made everything so simple and works great for both needs. ### ⭐⭐⭐⭐⭐ Perfect. *by S***M on July 16, 2026* Perfect. ## Frequently Bought Together - 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) - RetailAndBulk Phone Jack Splitter for Landline Telephone RJ11 6P4C 2-Way in-Line or in-Wall Duplex Adapter (1 Splitter + 2.5 Inch Cable) Made in USA - Ubramac 15 Feet Long Telephone Extension Cord Phone Cable Line Wire, with Standard RJ11 Plug and 1 in-Line Couplers and 15 Cable Clip Holders-White --- ## 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.us/products/100209046-rj11-phone-jack-splitter-1-to-2-duplex-wall-adapter](https://www.desertcart.us/products/100209046-rj11-phone-jack-splitter-1-to-2-duplex-wall-adapter) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-01*