---
product_id: 241211962
title: "DTECH RS232 DB9 to RJ45 Serial Adapter DB-9 Female/Male to RJ-45 Female Ethernet Converter (2 Pack)"
brand: "dtech"
price: "$U901"
currency: UYU
in_stock: true
reviews_count: 2
category: "Dtech"
url: https://www.desertcart.uy/products/241211962-dtech-rs232-db9-to-rj45-serial-adapter-db-9-female
store_origin: UY
region: Uruguay
---

# Extends serial signals up to 65ft RS232 to RJ45 seamless conversion Secure thumbscrew locking DTECH RS232 DB9 to RJ45 Serial Adapter DB-9 Female/Male to RJ-45 Female Ethernet Converter (2 Pack)

**Brand:** dtech
**Price:** $U901
**Availability:** ✅ In Stock

## Summary

> 🔗 Bridge the old with the new—RS232 meets RJ45 in style!

## Quick Answers

- **What is this?** DTECH RS232 DB9 to RJ45 Serial Adapter DB-9 Female/Male to RJ-45 Female Ethernet Converter (2 Pack) by dtech
- **How much does it cost?** $U901 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/241211962-dtech-rs232-db9-to-rj45-serial-adapter-db-9-female)

## 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

- • **Universal Compatibility:** Works flawlessly with laptops, printers, modems, routers, CNC machines, and more—future-proof your setup.
- • **Secure & Stable Connection:** Thumbscrew fasteners ensure your adapters stay locked in place, eliminating accidental disconnects during critical tasks.
- • **Cost-Effective Pair Solution:** Includes both male and female adapters for a complete, budget-friendly serial extension kit—no extra purchases needed.
- • **Extended Reach, No Compromise:** Boost your device connectivity up to 65 feet using affordable Cat5/Cat6 cables—perfect for sprawling workspaces.
- • **Effortless Serial Data Transmission:** Convert your DB9 RS232 ports to RJ45 with zero hassle, unlocking modern cabling convenience.

## Overview

The DTECH RS232 DB9 to RJ45 Serial Adapter (2 Pack) is a practical, budget-friendly solution designed to extend and convert RS232 serial data communication over standard Cat5 or Cat6 Ethernet cables up to 65 feet. Compatible with a wide range of 9-pin D-sub RS232 devices, it features secure thumbscrew connectors for reliable connections, making it ideal for professionals needing seamless integration of legacy serial equipment into modern network environments.

## Description

What’s Included 1x DB9 Female to RJ45 Female Serial Adapter 1x DB9 Male to RJ45 Female Serial Adapter Connector A: DB9 9 Pin Female, 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.

Review: Easy and work - Do the work
Review: Fair Quality but one screw is missing threads - Quality is OK but not the greatest. Out of 4 screws, 1 has no threads so that adapter can not be properly installed.

## Features

- A simple, cost effective solution to process serial data communication between RS232 COM port devices over inexpensive cat5 cat6 RJ45 network cable
- DB9 to RJ45 modular adapter converts DB9 connector into an RJ45 connector (DB9 - RJ45 pinout: 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 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 | B08JLYLG9S |
| Best Sellers Rank | #62 in Serial Adapters |
| Customer Reviews | 4.6 4.6 out of 5 stars (50) |
| Date First Available | September 21, 2020 |
| Department | boys |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.44 ounces |
| Item model number | CB0242 |
| Manufacturer | guangzhouditedianzikejiyouxiangongsi |
| Package Dimensions | 7.99 x 3.66 x 0.94 inches |

## Product Details

- **Brand:** DTECH
- **Color:** black
- **Compatible Devices:** Desktop
- **Connector Type:** RJ45
- **Specific Uses For Product:** PC

## Images

![DTECH RS232 DB9 to RJ45 Serial Adapter DB-9 Female/Male to RJ-45 Female Ethernet Converter (2 Pack) - Image 1](https://m.media-amazon.com/images/I/61ftA-QsEdL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy and work
*by W***S on July 17, 2025*

Do the work

### ⭐⭐⭐⭐ Fair Quality but one screw is missing threads
*by J***Y on May 11, 2022*

Quality is OK but not the greatest. Out of 4 screws, 1 has no threads so that adapter can not be properly installed.

## Frequently Bought Together

- DTECH RS232 DB9 to RJ45 Serial Adapter DB-9 Female to RJ-45 Female and DB9 Male to RJ45 Female Ethernet Converter (2 Pack, DB9-F to RJ45-F and DB9-M to RJ45-F)
- DB9 null modem male to female slimline data transfer serial port adapter 2 Pack
- 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?

- 🛒 **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.uy/products/241211962-dtech-rs232-db9-to-rj45-serial-adapter-db-9-female](https://www.desertcart.uy/products/241211962-dtech-rs232-db9-to-rj45-serial-adapter-db-9-female)

---

*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-02-09*