--- product_id: 57560658 title: "DB9 Null Modem Female to Female Slimline Data Transfer Serial Port Adapter 10 Pack" brand: "arnorin" price: "Β£30.96" currency: GBP in_stock: true reviews_count: 13 category: "Arnorin" url: https://www.desertcart.co.uk/products/57560658-db9-null-modem-female-to-female-slimline-data-transfer-serial store_origin: GB region: United Kingdom --- # Gold-plated contacts for lasting reliability Reverses Tx/Rx signals flawlessly Slimline design reduces port strain DB9 Null Modem Female to Female Slimline Data Transfer Serial Port Adapter 10 Pack **Brand:** arnorin **Price:** Β£30.96 **Availability:** βœ… In Stock ## Summary > πŸ”— Connect smarter, not harder β€” the ultimate serial port upgrade! ## Quick Answers - **What is this?** DB9 Null Modem Female to Female Slimline Data Transfer Serial Port Adapter 10 Pack by arnorin - **How much does it cost?** Β£30.96 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/57560658-db9-null-modem-female-to-female-slimline-data-transfer-serial) ## Best For - arnorin enthusiasts ## Why This Product - Trusted arnorin brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Slim & Sleek Profile:** Minimizes leverage strain, protecting your valuable ports - β€’ **Durable Gold Contacts:** Ensures stable, corrosion-free connections after countless uses - β€’ **Flexible Setup Screws:** Easily removable screws adapt to diverse hardware configurations - β€’ **Effortless Signal Swap:** Transforms straight cables into null modem with zero hassle - β€’ **UL94V-0 Flame Resistant:** Built with safety-grade insulators for peace of mind ## Overview The DB9 Null Modem Female to Female Slimline Adapter 10 Pack converts standard straight-wired serial cables into null modem cables by reversing transmit and receive signals. Featuring gold-plated contacts for reliable, corrosion-resistant connections and a slimline design that reduces port strain, these adapters meet UL94V-0 flame safety standards. With removable screws for flexible installation, this pack is a must-have for professionals managing legacy serial connections or console interfaces. ## Description Convert your existing straight wired cables to null modem or reverser (transmit & receive) cables with these handy, inexpensive adapters. Simply plug these adapters onto the end of a cable and you're done ! Review: It works. - Compact size and works as expected. Review: It correctly transposes recv and xmit signals, unlike many other so-called null modems on desertcart - Worked perfectly, delivered quickly. ## Features - Converts standard, straight wired cables to null modem wiring - Gold contact plating provides reliable connections with repeated mating cycles - Slimline design reduces leverage strain on computer ports - UL grade 94V-0 connector insulator satisfies flammability requirements - Screws & Nuts can remove or add easily ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0782N512Y | | Best Sellers Rank | #16 in Serial Adapters | | Brand | Arnorin | | Color | 10 Pack | | Compatible Devices | Modem | | Connector Type | Serial Adapter | | Customer Reviews | 4.7 out of 5 stars 792 Reviews | | Finish | Gold | | Input Voltage | 94 Volts | | Item Dimensions | 1.3 x 0.51 x 0.71 inches | | Item Weight | 0.1 Kilograms | | Item dimensions L x W x H | 1.3 x 0.51 x 0.71 inches | | Manufacturer | KINGDEE INC | | Mfr Part Number | 4335207202 | | Model Number | 並葌輸ε…₯品 | | Number of Items | 10 | | Number of Ports | 2 | | Package Quantity | 1 | | Specific Uses For Product | PC, Printer, Projector | | UPC | 661083272014 | | Unit Count | 10.0 Count | | Warranty Type | Limited | ## Product Details - **Color:** 10 Pack - **Compatible Devices:** Modem - **Connector Type:** Serial Adapter - **Item dimensions L x W x H:** 1.3 x 0.51 x 0.71 inches - **Specific Uses For Product:** PC, Printer, Projector ## Images ![DB9 Null Modem Female to Female Slimline Data Transfer Serial Port Adapter 10 Pack - Image 1](https://m.media-amazon.com/images/I/61k899pO3IL.jpg) ![DB9 Null Modem Female to Female Slimline Data Transfer Serial Port Adapter 10 Pack - Image 2](https://m.media-amazon.com/images/I/61k-Zz-DQZL.jpg) ![DB9 Null Modem Female to Female Slimline Data Transfer Serial Port Adapter 10 Pack - Image 3](https://m.media-amazon.com/images/I/613YYoKoRWL.jpg) ![DB9 Null Modem Female to Female Slimline Data Transfer Serial Port Adapter 10 Pack - Image 4](https://m.media-amazon.com/images/I/61SG7qGU11L.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ It works. *by S***G on March 21, 2026* Compact size and works as expected. ### ⭐⭐⭐⭐⭐ It correctly transposes recv and xmit signals, unlike many other so-called null modems on Amazon *by M***N on November 10, 2025* Worked perfectly, delivered quickly. ### ⭐⭐⭐⭐⭐ Bought several times, they are good *by W***. on September 4, 2025* These are good and cheap. They've never not worked. ## Frequently Bought Together - Arnorin DB9 Null Modem Female to Female Slimline Data Transfer Serial Port Adapter 10 Pack - Arnorin DB9 Null Modem Adapter Male to Female Slimline Data Transfer Serial Port Adapter 10 Pack - Arnorin DB9 Null Modem Adapter Male to Male 10 Pack --- ## 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.co.uk/products/57560658-db9-null-modem-female-to-female-slimline-data-transfer-serial](https://www.desertcart.co.uk/products/57560658-db9-null-modem-female-to-female-slimline-data-transfer-serial) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-15*