---
product_id: 163883476
title: "15ft DB9 RS232 Female to Female Null Modem Cable Serial Cord Simple Cross TX RX line Crossover for Computer Switch Laptop Router Data Communication (15 Feet, Black)"
brand: "dtech"
price: "931548₫"
currency: VND
in_stock: true
reviews_count: 2
category: "Dtech"
url: https://www.desertcart.vn/products/163883476-15ft-db9-rs232-female-to-female-null-modem-cable-serial
store_origin: VN
region: Vietnam
---

# 15ft extended reach DB9 female-to-female secure connection Foil-Al shielded for interference protection 15ft DB9 RS232 Female to Female Null Modem Cable Serial Cord Simple Cross TX RX line Crossover for Computer Switch Laptop Router Data Communication (15 Feet, Black)

**Brand:** dtech
**Price:** 931548₫
**Availability:** ✅ In Stock

## Summary

> 🔗 Bridge the old with the new—connect like a pro with DTECH’s 15ft null modem cable!

## Quick Answers

- **What is this?** 15ft DB9 RS232 Female to Female Null Modem Cable Serial Cord Simple Cross TX RX line Crossover for Computer Switch Laptop Router Data Communication (15 Feet, Black) by dtech
- **How much does it cost?** 931548₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/163883476-15ft-db9-rs232-female-to-female-null-modem-cable-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

- • **Extended 15ft Reach:** Seamlessly connect legacy devices across your workspace without compromise.
- • **Versatile Compatibility:** Perfect for laptops, routers, lab equipment, and legacy serial devices demanding dependable communication.
- • **Robust Foil-Al Shielding:** Minimizes electromagnetic interference to keep your data streams clean and stable.
- • **Simple 3-Wire Null Modem Design:** Effortlessly cross TX/RX lines for straightforward, no-handshake data transfer.
- • **Reliable DB9 Female-to-Female Connectors:** Gold-plated pins with thumbscrews ensure rock-solid, corrosion-resistant serial connections.

## Overview

The DTECH 15ft DB9 RS232 Female-to-Female Null Modem Cable offers a reliable, interference-shielded serial connection designed for seamless data transfer between legacy RS-232 devices. Featuring gold-plated DB9 connectors with secure thumbscrews and a simple 3-wire crossover design, this cable extends your COM port reach with stable, no-handshake communication—ideal for professional setups requiring dependable serial interfacing.

## Description

Simple Null Modem Cable without handshaking, RS232 Female to Female Extension Cord (cross data lines TX, RX and GND signal ground): 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, 15 foot 9 pin serial cable 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 9 pin serial cable female 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 cross 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 a RS 232 serial communication data adapter. Connectors: DB9 to DB9 Female to Female Pinout Configuration: Basic crossover of TX and RX lines, suitable for simple data transfer B9 cable Diameter: 6mm DWire Gauge: 30 AWG What’s Included: 1 x 15 ft Serial Cable Female to Female

Review: It worked - We were able to use to connect our systems together as we wanted. We needed to integrate the lab equipment into the EMR of the hospital and it worked perfectly
Review: Good quality

## Features

- 15ft null modem serial cable 3 wire simple crossed without handshaking extends a COM port connection between computer and some old device with RS-232 compatible interface (NOT 15 pin 3 row VGA video)
- RS232 cable female to female communication cable is wired as 9 pin serial port cord that 2-3 line are crosslinked (only TX/RX data and signal ground wires connected); AL foil shielded DE9 rs 232 cable
- DB9 female to female cable extender equipped with screws on each end to ensure an easy and solid nullmodem DB9 cable connection for stable serial cross data communication (9 prong 2 pin crossed)
- DB9 null modem cable: 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 (DB9 serial cable, not computer monitor DB15 VGA-cable)
- 15 feet long serial RS232 crossover cable f/f for RS232C lab equipment, PC laptop desktop computer, switch hub, router to transfer file, share resource, direct serial communication link, debug, test

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07T6673MK |
| Best Sellers Rank | #22 in Modem Cables |
| Brand | DTECH |
| Cable Type | Serial |
| Color | Black |
| Compatible Devices | GPS Navigation System, Laptop, Modem, Printer, Scanner |
| Compatible Phone Models | No Compatible Phone Models |
| Connector Gender | Female-to-Female |
| Connector Type | DB9 |
| Customer Reviews | 4.2 4.2 out of 5 stars (38) |
| Date First Available | July 22, 2019 |
| Indoor/Outdoor Usage | Indoor |
| Item Dimensions LxWxH | 9.8 x 7.2 x 1.8 inches |
| Item Weight | 9 ounces |
| Item model number | DT-9006C |
| Manufacturer | Guangzhou DTECH Electronics Technology Co.,Ltd |
| Model Name | Null Serial Cable Female to Female 15ft |
| Number of Items | 1 |
| Number of Pins | 9 |
| Product Dimensions | 9.8 x 7.2 x 1.8 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 | 1.0 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

![15ft DB9 RS232 Female to Female Null Modem Cable Serial Cord Simple Cross TX RX line Crossover for Computer Switch Laptop Router Data Communication (15 Feet, Black) - Image 1](https://m.media-amazon.com/images/I/610vSfXtrkL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ It worked
*by A***E on November 13, 2024*

We were able to use to connect our systems together as we wanted. We needed to integrate the lab equipment into the EMR of the hospital and it worked perfectly

### ⭐⭐⭐⭐⭐ Review
*by B***U on April 7, 2024*

Good quality

## Frequently Bought Together

- DTech 15ft DB9 RS232 Serial Cable Female to Female Null Modem Cord Simple Cross TX RX line Crossover for Computer Switch Router Data Communication (15 Feet, Black)
- StarTech.com 10' RS232 Serial Null Modem Cable - Null modem cable - DB-9 (F) to DB-9 (F) - 10 ft (SCNM9FF)
- SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable, Prolific Chipset, HEXNUTS, [Windows 11/10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 2.5 Feet (CB-DB9P)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-06*