--- product_id: 241595826 title: "DTECH DB9 to RJ45 Serial Adapter RS232 Male to RJ-45 Female Ethernet Converter Compatible with Standard 9 Pin RS-232 Devices" brand: "dtech" price: "48.43 DT" currency: TND in_stock: true reviews_count: 2 category: "Dtech" url: https://www.desertcart.tn/products/241595826-dtech-db9-to-rj45-serial-adapter-rs232-male-to-rj store_origin: TN region: Tunisia --- # 20mA current rating Supports up to 65ft extension DB9 Male to RJ45 Female DTECH DB9 to RJ45 Serial Adapter RS232 Male to RJ-45 Female Ethernet Converter Compatible with Standard 9 Pin RS-232 Devices **Brand:** dtech **Price:** 48.43 DT **Availability:** βœ… In Stock ## Summary > πŸ”— Connect smarter, extend further β€” never miss a data beat! ## Quick Answers - **What is this?** DTECH DB9 to RJ45 Serial Adapter RS232 Male to RJ-45 Female Ethernet Converter Compatible with Standard 9 Pin RS-232 Devices by dtech - **How much does it cost?** 48.43 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/241595826-dtech-db9-to-rj45-serial-adapter-rs232-male-to-rj) ## Best For - dtech enthusiasts ## Why This Product - Trusted dtech brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Compact Matte Finish:** Sleek, lightweight design blends into any professional workspace - β€’ **Universal Compatibility:** Works flawlessly with standard 9-pin RS232 devices from laptops to CNC machines - β€’ **Secure & Hassle-Free Setup:** Thumbscrew connectors ensure a rock-solid, tool-free connection every time - β€’ **Extended Reach, No Compromise:** Extend your serial connections up to 65 feet with reliable signal integrity - β€’ **Seamless Serial Data Transmission:** Effortlessly convert RS232 signals over affordable Cat5/Cat6 cables ## Overview The DTECH DB9 to RJ45 Serial Adapter is a compact, cost-effective solution designed to convert standard 9-pin RS232 serial signals into RJ45 Ethernet connections. Supporting data transmission distances up to 65 feet over Cat5 or Cat6 cables, it ensures secure, bi-directional communication for a wide range of professional devices including laptops, printers, routers, and industrial equipment. Featuring thumbscrew connectors for easy installation and a durable matte finish, this adapter is a must-have for managers and tech-savvy professionals seeking reliable serial connectivity with minimal fuss. ## Description Connector A: DB9 9 Pin Male Connector B: RJ45 8 Pin Female Data cabling transmission signal up to 20M Compatible with Standard 9 Pin D-sub RS-232 Devices e.g. computer laptop, printer, modem, router, PDA, POS device, digital CNC machine tool, Barcode scanner, etc. Please be Noted: DB9 serial RJ45 adapter is only an adapter for extending RS232 serial data (max. distance 65ft), not a console adapter. Usually this adapter needs to be used in pairs. DB9 serial data is transmitted over the network cable. To use this pair of adapters, you need to connect them with a cat5e or CAT6 cable. What’s Included 1x DB9 Male to RJ45 Female Serial Adapter Review: Good product - They worked perfectly Review: Does not work - This does not work I checked the wiring connection to make sure I was getting the correct wiring configuration but does not work and it's just wasting my time while waiting on another company to ship one ## Features - A simple, cost effective solution to process serial data communication between RS232 COM port devices over inexpensive cat5 cat6 RJ45 network cable - DB9 male to RJ45 modular adapter converts DB9 male connector into an RJ45 female connector (DB9 male - RJ45 Female pinout: straight through 1-1, 2-2, 3-3, 4-4, 5-5, 6-6, 7-7, 8-8, 9-x) - A pair of DB9 to RJ45 socket coupler can be used a extender to extend rs232 serial signals up to 65ft - Bi-directional DB-9 male to RJ-45 female converter comes with thumbscrews for easy and secure connection - (Please be noted it's NOT 15 pin VGA video port) It's compatible with Standard 9 Pin D-sub RS-232 Devices e.g. computer laptop, printer, modem, router, PDA, POS device, digital CNC machine tool, Barcode scanner, etc. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08JLX4N6K | | Best Sellers Rank | #119 in Serial Adapters | | Brand | DTECH | | Color | black | | Compatible Devices | Desktop | | Connector Type | RJ45 | | Current Rating | 20 milliamps | | Customer Reviews | 4.4 out of 5 stars 62 Reviews | | Finish | Matte | | Finish Type | Matte | | Item Type Name | RS232 to Ethernet Converter | | Item Weight | 0.02 kg | | Manufacturer | guangzhouditedianzikejiyouxiangongsi | | Mfr Part Number | CB0240 | | Model Number | CB0240 | | Number of Items | 1 | | Number of Ports | 2 | | Package Quantity | 1 | | Power Plug Type | No Plug | | Specific Uses For Product | PC | | Unit Count | 1 Count | | Warranty Description | 180 days from purchase date | | Warranty Type | Limited | ## Product Details - **Brand:** DTECH - **Color:** black - **Compatible Devices:** Desktop - **Connector Type:** RJ45 - **Specific Uses For Product:** PC ## Images ![DTECH DB9 to RJ45 Serial Adapter RS232 Male to RJ-45 Female Ethernet Converter Compatible with Standard 9 Pin RS-232 Devices - Image 1](https://m.media-amazon.com/images/I/51Zfc6V09PL.jpg) ![DTECH DB9 to RJ45 Serial Adapter RS232 Male to RJ-45 Female Ethernet Converter Compatible with Standard 9 Pin RS-232 Devices - Image 2](https://m.media-amazon.com/images/I/61y6oQ+OM9L.jpg) ![DTECH DB9 to RJ45 Serial Adapter RS232 Male to RJ-45 Female Ethernet Converter Compatible with Standard 9 Pin RS-232 Devices - Image 3](https://m.media-amazon.com/images/I/61EbMnZT2vL.jpg) ![DTECH DB9 to RJ45 Serial Adapter RS232 Male to RJ-45 Female Ethernet Converter Compatible with Standard 9 Pin RS-232 Devices - Image 4](https://m.media-amazon.com/images/I/51fAJE7vwKL.jpg) ![DTECH DB9 to RJ45 Serial Adapter RS232 Male to RJ-45 Female Ethernet Converter Compatible with Standard 9 Pin RS-232 Devices - Image 5](https://m.media-amazon.com/images/I/51rw+M-JyEL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good product *by R***N on January 31, 2026* They worked perfectly ### ⭐ Does not work *by T***R on April 27, 2023* This does not work I checked the wiring connection to make sure I was getting the correct wiring configuration but does not work and it's just wasting my time while waiting on another company to ship one ## Frequently Bought Together - DTECH DB9 to RJ45 Serial Adapter RS232 Male to RJ-45 Female Ethernet Converter Compatible with Standard 9 Pin RS-232 Devices - SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable, Prolific Chipset, HEXNUTS, [Windows 11/10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 2.5 Feet (CB-DB9P) - OIKWAN USB to RS232, USB Serial Adapter with FTDI Chipset,USB 2.0 to Male DB9 Serial Cable for Windows 11,10, 8, 7, Vista, XP, 2000, Linux and Mac OS(6ft)… --- ## 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.tn/products/241595826-dtech-db9-to-rj45-serial-adapter-rs232-male-to-rj](https://www.desertcart.tn/products/241595826-dtech-db9-to-rj45-serial-adapter-rs232-male-to-rj) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-28*