---
product_id: 301383878
title: "DTECH RS232 Null Modem Cable DB9 Male to Female Serial Cord Full Handshaking 7 Wire Crossover for Data Communication Computer Switch Laptop Router (5 Feet, Black)"
brand: "dtech"
price: "HK$143"
currency: HKD
in_stock: true
reviews_count: 8
category: "Dtech"
url: https://www.desertcart.hk/products/301383878-dtech-rs232-null-modem-cable-db9-male-to-female-serial
store_origin: HK
region: Hong Kong
---

# 7-wire full handshaking for stable data 5ft DB9 Male-Female length Foil-Al shielded crossover cable DTECH RS232 Null Modem Cable DB9 Male to Female Serial Cord Full Handshaking 7 Wire Crossover for Data Communication Computer Switch Laptop Router (5 Feet, Black)

**Brand:** dtech
**Price:** HK$143
**Availability:** ✅ In Stock

## Summary

> 🔗 Future-proof your data flow with the ultimate RS232 null modem cable!

## Quick Answers

- **What is this?** DTECH RS232 Null Modem Cable DB9 Male to Female Serial Cord Full Handshaking 7 Wire Crossover for Data Communication Computer Switch Laptop Router (5 Feet, Black) by dtech
- **How much does it cost?** HK$143 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/301383878-dtech-rs232-null-modem-cable-db9-male-to-female-serial)

## 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 & Play Versatility:** Ideal for laptops, routers, modems, scanners, and legacy hardware—future-proof your serial communication setup.
- • **Robust Signal Integrity:** Foil-Al shielding and gold-plated pins ensure minimal interference and corrosion resistance for rock-solid data transfer.
- • **Full Handshaking Support:** 7-wire crossover wiring guarantees reliable RTS, CTS, DTR, and DSR signal management for flawless communication.
- • **Secure & Stable Connection:** Thumbscrew-equipped DB9 connectors lock firmly in place, preventing accidental disconnections during critical tasks.
- • **Seamless Legacy Device Link:** Connect two DTE devices effortlessly with a 5ft DB9 null modem cable designed for RS232 serial communication.

## Overview

The DTECH 5ft RS232 Null Modem Cable features a 9-pin DB9 male-to-female design with full 7-wire handshaking support, foil-aluminum shielding, and gold-plated pins for superior corrosion resistance. Engineered for stable, interference-free serial communication between legacy DTE devices, it includes thumbscrew connectors for secure attachment and supports a 5 Gbps data transfer rate, making it an essential tool for professionals managing serial connections in networking, debugging, and data transfer.

## Description

Full Handshaking Signal RS232 Crossover Cable (7 wires are present), Serial Female to Male Extension Communicationtransfer data between 2 Data Terminal Equipment DTE devices using RS-232 serial communication protocol. If you need a 9 prong 2 row DB9 full wire null modem serial extension cable long enough to control the legacy equipment, 5ft 9 pin serial null modem cable can extend original serial to serial cord. (Note: this is a male to female crossover cable null modem with full handshaking, not simple null modem cable, neither a loopback handshake null modem cable) For RS-232C devices serial console access:the proxySG, MS-DOS PC, advanced secure gateway, content analysis, reporter, management center hardware devices, network equipment, etc. Black 5ft serial DB9 cable male to female is with gold plated pins for superior corrosion resistance, ensuring a solid basic null modem cable connection. The 9 prong 2 row DB-9 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. Note: 1. A 5 ft short RS232 serial crossover cable male to female port, DO NOT perform straight through function. 2. Not 15 pin 3 row VGA cable to connects computer to monitor for video, is only for 9 pin 2 row RS 232 communication. Connectors: DB9 to DB9 Male-Female Interface Surface: Nickel-plated Pins Surface: Gold-plated Wire Gauge: 30 AWG Cord Diameter: 6mm Cord Length: 5 ft (1.5 meter) What’s Included: 1 x Serial to Serial Cable 5’ Null Modem M/F

Review: Good price, good quality - Good quality. Fast connection. I did a speed test and it is what in the spec sheets... I've got some old cables but they can't reach the needed speed. Even though it is very low compared to other techs nowadays. Price is good for the length
Review: good quality - great product

## Features

- 5ft DB9 null modem cable RS232 male to female (7 wire present full handshaking) connect 2 DTE devices with 9 prong 2 row COM port RS-232 compatible interface (NOT 15 pin 3 row VGA video)
- RS232 serial cable is wired as 9 pin serial Null Modem cable that 2-3, 4-6, 7-8 line are cross linked (TX,RX,RTS, CTS, DTR,DSR wires are connected); AL foil shielded crossover rs 232 cable
- 9 pin 2 row DB9 female to male connector on each end equipped with screws to ensure an easy and solid serial extension 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 (null DB9 cable, not computer monitor DB15 VGA-cable)
- 5 feet RS232 cable serial adapter m/f for hooking up RS232C PC laptop, desktop computer, switch hub, router to transfer file, share resource, direct serial communication link, debugging , testing

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08T98NW1H |
| Best Sellers Rank | #9 in Modem Cables |
| Brand | DTECH |
| Cable Type | Serial |
| Color | Female to Female |
| Compatible Devices | GPS Navigation System, Laptop, Modem, Printer, Scanner |
| Compatible Phone Models | No Compatible Phone Models |
| Connector Gender | Male-to-Female |
| Connector Type | DB9 |
| Data Transfer Rate | 5 Gigabits Per Second |
| Date First Available | February 1, 2021 |
| Indoor/Outdoor Usage | Indoor |
| Is Discontinued By Manufacturer | No |
| Item Weight | 4.2 ounces |
| Item model number | DT-9007B-1.5M |
| Manufacturer | guangzhouditedianzikejiyouxiangongsi |
| Model Name | 5ft Null Serial Cable Male to Female |
| Number of Items | 1 |
| Number of Pins | 9 |
| Product Dimensions | 9.2 x 7.7 x 2.3 inches |
| Recommended Uses For Product | Laptop, Scanner, Microcontroller, POS, Personal Computer, Router, Modem, Printer, PDA, Embroidery machine, Peripheral Connection |
| Shape | Round |
| Special Feature | Data Transfer, Low Voltage |
| Specification Met | ISO |
| Unit Count | 1 Count |

## Product Details

- **Brand:** DTECH
- **Cable Type:** Serial
- **Compatible Devices:** GPS Navigation System, Laptop, Modem, Printer, Scanner
- **Connector Type:** DB9
- **Special Feature:** Data Transfer, Low Voltage

## Images

![DTECH RS232 Null Modem Cable DB9 Male to Female Serial Cord Full Handshaking 7 Wire Crossover for Data Communication Computer Switch Laptop Router (5 Feet, Black) - Image 1](https://m.media-amazon.com/images/I/41BambJCl4L.jpg)
![DTECH RS232 Null Modem Cable DB9 Male to Female Serial Cord Full Handshaking 7 Wire Crossover for Data Communication Computer Switch Laptop Router (5 Feet, Black) - Image 2](https://m.media-amazon.com/images/I/41n+oUoR0BL.jpg)
![DTECH RS232 Null Modem Cable DB9 Male to Female Serial Cord Full Handshaking 7 Wire Crossover for Data Communication Computer Switch Laptop Router (5 Feet, Black) - Image 3](https://m.media-amazon.com/images/I/41syZLf8P2L.jpg)
![DTECH RS232 Null Modem Cable DB9 Male to Female Serial Cord Full Handshaking 7 Wire Crossover for Data Communication Computer Switch Laptop Router (5 Feet, Black) - Image 4](https://m.media-amazon.com/images/I/41vNP4yv-8L.jpg)
![DTECH RS232 Null Modem Cable DB9 Male to Female Serial Cord Full Handshaking 7 Wire Crossover for Data Communication Computer Switch Laptop Router (5 Feet, Black) - Image 5](https://m.media-amazon.com/images/I/41xkUKP1FoL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good price, good quality
*by S***E on July 25, 2021*

Good quality. Fast connection. I did a speed test and it is what in the spec sheets... I've got some old cables but they can't reach the needed speed. Even though it is very low compared to other techs nowadays. Price is good for the length

### ⭐⭐⭐⭐⭐ good quality
*by D***I on March 13, 2024*

great product

### ⭐⭐⭐⭐⭐ Wired correctly
*by A***S on January 17, 2025*

This product is a correctly wired RS232 male to female crossover cable.

## Frequently Bought Together

- DTech DB9 RS232 Serial Cable Male to Female Null Modem Cord Full Handshaking 7 Wire Crossover for Data Communication Computer Switch Router (5 Feet, Black)
- DTech 2m DB9 RS232 Serial Cable Male to Female Computer Monitor Cable 9 Pin Null Modem Extension Cord for PC Data Communication（6feet,Black
- DB9 null modem male to female slimline data transfer serial port adapter 2 Pack

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-02-06*