---
product_id: 375239984
title: "DTech RS232 DB9 to RJ45 Serial Adapter DB-9 Female/Male to RJ-45 Female Ethernet Converter (2 Pack)"
brand: "dtech"
price: "S/.123"
currency: PEN
in_stock: true
reviews_count: 3
category: "D Tech"
url: https://www.desertcart.pe/products/375239984-dtech-rs232-db9-to-rj45-serial-adapter-db-9-female
store_origin: PE
region: Peru
---

# 65ft max RS232 extension Secure thumbscrew locking RJ45 modular DB9 conversion DTech RS232 DB9 to RJ45 Serial Adapter DB-9 Female/Male to RJ-45 Female Ethernet Converter (2 Pack)

**Brand:** dtech
**Price:** S/.123
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect smarter, extend farther — don’t let your serial devices get left behind!

## 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?** S/.123 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/375239984-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

- • **Plug & Secure:** Thumbscrew design ensures a rock-solid connection without signal loss or accidental unplugging.
- • **Dual-Pack Convenience:** Includes both male and female DB9 to RJ45 adapters—perfect for creating reliable serial extenders.
- • **Universal Compatibility:** Works flawlessly with all standard 9-pin D-sub RS232 devices from laptops to CNC machines.
- • **Extend Your Serial Reach:** Seamlessly transmit RS232 data up to 65 feet using affordable Cat5/Cat6 cables.
- • **Cost-Effective Networking:** Replace bulky serial cables with sleek RJ45 connectors for cleaner, professional setups.

## 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. Compatible with a wide range of 9-pin D-sub devices, this pair of adapters features secure thumbscrew connectors for stable, professional-grade connections, making it ideal for IT managers and tech-savvy professionals seeking streamlined 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 | #4,197 in Computers ( See Top 100 in Computers ) #5 in Serial Adapters |
| Department | boys |
| 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:** DB9 to 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.

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*Product available on Desertcart Peru*
*Store origin: PE*
*Last updated: 2026-03-16*