---
product_id: 515179980
title: "DTech RS232 DB9 to RJ45 Serial Adapter DB-9 Female/Male to RJ-45 Female Ethernet Converter (2 Pack)"
brand: "dtech"
price: "10.71 OMR"
currency: OMR
in_stock: false
reviews_count: 3
url: https://www.desertcart.com.om/products/515179980-dtech-rs232-db9-to-rj45-serial-adapter-db-9-female
store_origin: OM
region: Oman
---

# Bi-directional data flow 65ft max cable extension Thumbscrew secure connection DTech RS232 DB9 to RJ45 Serial Adapter DB-9 Female/Male to RJ-45 Female Ethernet Converter (2 Pack)

**Brand:** dtech
**Price:** 10.71 OMR
**Availability:** ❌ Out of Stock

## Summary

> 🔗 Connect smarter, extend farther—RS232 made sleek and simple!

## 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?** 10.71 OMR with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/515179980-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

- • **Dual Adapter Pack:** Includes both male and female DB9 to RJ45 adapters—perfect for creating custom serial extension setups.
- • **Plug & Play Simplicity:** Effortless DB9 to RJ45 conversion with secure thumbscrew connectors for stable, reliable connections.
- • **Universal Compatibility:** Works flawlessly with all standard 9-pin D-sub RS232 devices—laptops, printers, CNC machines, and more.
- • **Extend Your Serial Reach:** Seamlessly extend RS232 signals up to 65 feet using affordable Cat5/Cat6 cables.
- • **Cost-Effective Networking:** Replace expensive serial cables with versatile RJ45 network cables without compromising signal integrity.

## Overview

The DTech RS232 DB9 to RJ45 Serial Adapter (2 Pack) offers a practical and budget-friendly solution to extend serial RS232 communication up to 65 feet over standard Cat5 or Cat6 Ethernet cables. Designed for universal compatibility with 9-pin D-sub devices, this bi-directional adapter set features secure thumbscrew connectors ensuring stable connections for professional-grade serial data transmission.

## 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: 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
Review: Do the work

## 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 | 349,782 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 767 in Serial Adapters |
| Department | boys |
| Guaranteed software updates until | unknown |
| Item model number | CB0242 |
| Manufacturer | DTech |
| Package Dimensions | 20.29 x 9.3 x 2.39 cm; 41 g |

## Product Details

- **Brand:** DTech
- **Colour:** 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

### ⭐ Review
*by T***R on 27 April 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

### ⭐⭐⭐⭐⭐ Review
*by W***S on 17 July 2025*

Do the work

### ⭐⭐⭐⭐ Review
*by J***Y on 11 May 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

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**Shop now:** [https://www.desertcart.com.om/products/515179980-dtech-rs232-db9-to-rj45-serial-adapter-db-9-female](https://www.desertcart.com.om/products/515179980-dtech-rs232-db9-to-rj45-serial-adapter-db-9-female)

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-02-12*