---
product_id: 330806791
title: "DB9 RS232 Serial Cable Male to Female Extension Null Modem Cord Cross TX/RX line for Data Communication (5 Feet, Black)"
brand: "dtech"
price: "€ 15.54"
currency: EUR
in_stock: true
reviews_count: 5
category: "Dtech"
url: https://www.desertcart.ie/products/330806791-db9-rs232-serial-cable-male-to-female-extension-null-modem
store_origin: IE
region: Ireland
---

# 5 ft length for versatile setups Thumbscrews ensure secure, stable connection Foil-AL shielding for interference protection DB9 RS232 Serial Cable Male to Female Extension Null Modem Cord Cross TX/RX line for Data Communication (5 Feet, Black)

**Brand:** dtech
**Price:** € 15.54
**Availability:** ✅ In Stock

## Summary

> 🔗 Stay connected, stay ahead — the ultimate serial cable for pros who demand reliability.

## Quick Answers

- **What is this?** DB9 RS232 Serial Cable Male to Female Extension Null Modem Cord Cross TX/RX line for Data Communication (5 Feet, Black) by dtech
- **How much does it cost?** € 15.54 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/330806791-db9-rs232-serial-cable-male-to-female-extension-null-modem)

## 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

- • **Robust Shielding:** Foil-AL layer guards your data from electromagnetic interference, keeping your communication crystal clear.
- • **Secure Connection:** Built-in thumbscrews lock the DB9 male-female connectors firmly in place, preventing accidental disconnections during critical tasks.
- • **Premium Build Quality:** Gold-plated pins resist corrosion and 30AWG wires ensure reliable signal integrity for long-lasting performance.
- • **Plug & Play Simplicity:** Effortlessly connect two DTE devices with a straightforward 3-wire null modem design—no complex handshaking needed.
- • **Legacy Device Compatibility:** Perfectly tailored for RS-232 serial communication with PCs, routers, switches, and specialized hardware—extend your setup with confidence.

## Overview

The DTECH DB9 RS232 Serial Cable is a 5-foot male-to-female null modem extension designed for seamless RS-232 data communication between two DTE devices. Featuring a simple 3-wire crossover (TX, RX, GND), foil-AL shielding for interference protection, gold-plated pins, and secure thumbscrew connectors, it ensures stable, corrosion-resistant connections ideal for legacy hardware, debugging, and direct serial communication.

## Description

Simple Null Modem Cable without handshaking, Male to Female (cross data lines TX, RX and GND signal ground): Direct communication transfer data between 2 Data Terminal Equipment DTE devices using RS-232 serial communication protocol. If you need a 3 wire null modem serial extension cable long enough to control the legacy equipment, 5ft null serial male to female extender adapter can extend original serial to serial cord. (Note: this male to female crossover cable work by only wiring the transmit and receive lines crossed - TX to RX, RX to TX; other control lines like RTS CTS are not cross-linked, not a loopback handshake null modem cable, neither a full handshake null modem cable.) For RS-232C devices serial console access:the proxySG, advanced secure gateway, content analysis, reporter, management center hardware devices, network equipment, etc. Black DB9 serial cable male to female is with gold plated pins for superior corrosion resistance, ensuring a solid basic null modem cable connection. The connectors are equipped with a pair of thumbscrews for securing the plug to the female socket. DB9 RS232 cable is shielded with Foil-Al layer shielding as most crossover serial cables do, it fits for most of jobs. But if there are big mess of interference at your work area, you may need a special heavy duty DB9 cable that features copper braided + AL-foil double shielded layer. Not a 15 pin VGA cable that connects monitor to laptop, it's only works for RS 232 data communication. Connectors: DB9 to DB9 (Male-Female) Pinout Configuration: Basic crossover of TX and RX lines, suitable for simple data transfer DB9 cable Diameter: 6mm Extend a 9 pin serial male to male cable, or connect it to an old serial port device along with a USB to serial adapter What’s Included: 1 x 9 Pin Serial Cable 5’ Male to Female 1 x Manual

Review: Its very durable quality 👌 and very heavy serial cable... Suitable for pc, redsail plotter and printer.. Thank you desertcart😊🙏
Review: Seems like a decent cable, worked for my application

## Features

- Simple null modem serial cable Male to Female 3 wire crossed without handshaking: connects 2 DTE devices with COM port RS-232 compatible interface (Not for 15 pin 3 row computer monitor VGA-video)
- 9 pin 2 row crossover serial cable is wired as DE9 serial Null-Modem cord that 2-3 line are crosslinked (only TX/RX data and signal ground wires connected); standard shielded rs232 cable with AL foil
- 9 prong DB9 male to female crossover adapter extender equipped with screws to ensure an easy and solid connection for stable serial cross over data communication
- The wires inside are of 30AWG gauge and easy to solder to, and they connect to the pins in the order of the standard wire color code (RS-232 serial cable, not DB15 VGA-cable)
- 5 ft 9 pin male to female serial null cable for hooking up PC laptop, desktop computer, switch hub, router to transfer file, share resource, direct serial communication link, debugging , testing

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07L6RBTQY |
| Best Sellers Rank | #30,942 in Computers ( See Top 100 in Computers ) #41 in Serial Cables |
| Item model number | DT-9006B 1.5M |
| Manufacturer | DTech |
| Product Dimensions | 25 x 18 x 3.2 cm; 118 g |

## Product Details

- **Brand:** DTECH
- **Cable type:** Serial
- **Compatible devices:** Speaker
- **Connector type:** VGA
- **Special features:** Low Voltage

## Images

![DB9 RS232 Serial Cable Male to Female Extension Null Modem Cord Cross TX/RX line for Data Communication (5 Feet, Black) - Image 1](https://m.media-amazon.com/images/I/61+zj0z8kJL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***H on 30 May 2024*

Its very durable quality 👌 and very heavy serial cable... Suitable for pc, redsail plotter and printer.. Thank you amazon😊🙏

### ⭐⭐⭐⭐⭐ Review
*by R***A on 6 August 2024*

Seems like a decent cable, worked for my application

### ⭐⭐⭐⭐⭐ Review
*by J***S on 7 September 2019*

Good quality made cable for a average price.

## Frequently Bought Together

- DTech 5ft DB9 RS232 Serial Cable Male to Female Extension Simple Null Modem Cord Cross TX RX Line 2 Pin Crossed for Computer Switch Router Data Communication (5 Feet, Black)
- DB9 null modem male to female slimline data transfer serial port adapter 2 Pack
- Gearmo USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7/, Mac OS X 10.6 and Above

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-28*