---
product_id: 207719114
title: "DTECH 5m DB9 RS232 Serial Cable Male to Female Computer Monitor Cable 9 Pin Null Modem Extension Cord for PC Data Communication -Black"
brand: "dtech"
price: "€ 37.48"
currency: EUR
in_stock: true
reviews_count: 2
category: "Dtech"
url: https://www.desertcart.it/products/207719114-dtech-5m-db9-rs232-serial-cable-male-to-female-computer
store_origin: IT
region: Italy
---

# 15ft length for extended reach DB9 Male to Female secure connection Foil-Al shielding for stable data DTECH 5m DB9 RS232 Serial Cable Male to Female Computer Monitor Cable 9 Pin Null Modem Extension Cord for PC Data Communication -Black

**Brand:** dtech
**Price:** € 37.48
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect the Past, Command the Future

## Quick Answers

- **What is this?** DTECH 5m DB9 RS232 Serial Cable Male to Female Computer Monitor Cable 9 Pin Null Modem Extension Cord for PC Data Communication -Black by dtech
- **How much does it cost?** € 37.48 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/207719114-dtech-5m-db9-rs232-serial-cable-male-to-female-computer)

## 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

- • **Rock-Solid Connection:** Screws on both ends ensure your RS232 link stays tight and reliable during critical data transfers.
- • **Extended Reach, No Limits:** 15 feet cable length lets you position legacy devices exactly where you need them—no compromises.
- • **Optimized for Legacy Gear:** Crosswired TX/RX and ground lines perfectly tailored for seamless RS232 communication with classic devices.
- • **Easy Soldering & Maintenance:** 30AWG gauge wires with standard color coding make repairs and custom setups a breeze.
- • **Premium Shielding for Signal Integrity:** Foil-Al shield guards against interference, keeping your data clean and your workflow uninterrupted.

## Overview

The DTECH 15ft DB9 RS232 Serial Cable is a male-to-female null modem extension designed for reliable data communication with legacy RS232 devices. Featuring a crosswired 3-wire setup (TX, RX, GND), gold-plated pins, and foil-aluminum shielding, it ensures stable connections and minimal interference. Ideal for extending serial ports to scanners, modems, printers, and industrial equipment, this cable combines durability with professional-grade performance.

## Description

Need a three wire null modem serial extension cable (TX, RX and GND) that is long enough to control your legacy equipment, so you can program a outdoor digital sign from the comfort of indoor office? This 15ft 9 pin male to female serial adapter (cross wired between TX and RX line) enables you to extend original serial to serial cord and move the device to a far corner where you need it to reach. 9 pin serial cable male to female is with gold plated pins for superior corrosion resistance ensuring a solid connection. For RS232 devices below (partial): Telescope vinyl cutting/ sewing machine GPS radio transceiver subwoofer/speaker set weather station controller to camera Note: 1.Shielded with standard Foil-Al layer shielding as most cables do, it fits for most of jobs. 2.It’s not a 15 pin VGA cable that connects monitor to laptop, is only for RS 232 communication port to interface one system to another system. Specifications: Usage: for extending a 9 pin serial male to male cable, or connect it to an old serial port device along with a serial to USB converter Connectors: DB9 to DB9 (Male-Female) Cable Diameter: 6mm Cord Length: 15 ft (5 meters) What’s Included: 1 x RS-232C Serial Male to Female TX/RX crosslinked Cable (Black) 1 x User Manual

Review: Wrong pin alignment - Defective item, pin alignment was wrong and produced obscure results
Review: NOT A 3 WIRE CABLE - This is not a 3 wire cable! I ordered this cable because it stated it had only 3 wires. The cable did not work for my equipment because all the pins are connected.

## Features

- Simple 15ft null modem extension cable (3 wire type and no hardware handshaking) extends a COM port connection between computer and some old device with RS-232 compatible
- Wired as a 9 pin serial cable male to female port cord that 2-3 line are crosslinked (only TX/RX data and signal ground wires connected); standard shielded with AL foil
- DB9 m/f adapter extender equipped with screws on each end to ensure an easy and solid connection for stable 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
- 15 feet long RS232C cable for hooking up RS232C equipment like scanner, Modem, printer, plotter, camera, barcode / embroidery machine, touchscreen, microcontroller, factory test equipment

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B086QNV8S3 |
| Best Sellers Rank | 92,707 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 243 in Serial Cables |
| Brand | DTECH |
| Cable Type | USB, VGA |
| Cable type | USB, VGA |
| Colour | black |
| Compatible Devices | Laptop |
| Compatible devices | Laptop |
| Connector Gender | Male-to-Female |
| Connector Type | RS232 Serial Cable Cable Null Modem |
| Connector type | RS232 Serial Cable Cable Null Modem |
| Customer Reviews | 3.1 out of 5 stars 7 Reviews |
| Gauge | 30.0 |
| Indoor Outdoor Usage | Indoor |
| Item Shape | Round |
| Manufacturer | Guangzhou DTECH Electronics Technology Co.,Ltd |
| Model Number | 675 |
| Number of Items | 1 |
| Number of Pins | 9 |
| Other Special Features of the Product | Data Transfer |
| Recommended Uses For Product | RS232 communication, device positioning |
| Recommended uses for product | RS232 communication, device positioning |
| Special feature | Data Transfer |

## Product Details

- **Brand:** DTECH
- **Connector type:** RS232 Serial Cable Cable Null Modem
- **Cable type:** VGA, USB
- **Compatible devices:** Laptop
- **Special feature:** Data Transfer

## Images

![DTECH 5m DB9 RS232 Serial Cable Male to Female Computer Monitor Cable 9 Pin Null Modem Extension Cord for PC Data Communication -Black - Image 1](https://m.media-amazon.com/images/I/510pun1FriL.jpg)
![DTECH 5m DB9 RS232 Serial Cable Male to Female Computer Monitor Cable 9 Pin Null Modem Extension Cord for PC Data Communication -Black - Image 2](https://m.media-amazon.com/images/I/51LPEnQoEyL.jpg)
![DTECH 5m DB9 RS232 Serial Cable Male to Female Computer Monitor Cable 9 Pin Null Modem Extension Cord for PC Data Communication -Black - Image 3](https://m.media-amazon.com/images/I/61JhhW3+4jL.jpg)
![DTECH 5m DB9 RS232 Serial Cable Male to Female Computer Monitor Cable 9 Pin Null Modem Extension Cord for PC Data Communication -Black - Image 4](https://m.media-amazon.com/images/I/61LqTn62cqL.jpg)
![DTECH 5m DB9 RS232 Serial Cable Male to Female Computer Monitor Cable 9 Pin Null Modem Extension Cord for PC Data Communication -Black - Image 5](https://m.media-amazon.com/images/I/61ZodTbY7eL.jpg)

## Customer Reviews

### ⭐ Wrong pin alignment
*by A***R on 9 December 2020*

Defective item, pin alignment was wrong and produced obscure results

### ⭐ NOT A 3 WIRE CABLE
*by B***S on 17 March 2025*

This is not a 3 wire cable! I ordered this cable because it stated it had only 3 wires. The cable did not work for my equipment because all the pins are connected.

## Frequently Bought Together

- DTECH 5m DB9 RS232 Serial Cable Male to Female Computer Monitor Cable 9 Pin Null Modem Extension Cord for PC Data Communication -Black
- StarTech.com 17in (43cm) 1-Port USB to RS232 DB9 Serial Adapter Cable, USB to Serial Adapter Cable - M/M

---

## 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.it/products/207719114-dtech-5m-db9-rs232-serial-cable-male-to-female-computer](https://www.desertcart.it/products/207719114-dtech-5m-db9-rs232-serial-cable-male-to-female-computer)

---

*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-03-05*