---
product_id: 733543207
title: "DB9 null modem male to female slimline data transfer serial port adapter 2 Pack"
brand: "arnorin"
price: "€ 0.72"
currency: EUR
in_stock: false
url: https://www.desertcart.es/products/733543207-db9-null-modem-male-to-female-slimline-data-transfer-serial
store_origin: ES
region: Spain
---

# Null modem wiring conversion UL 94V-0 flame-retardant insulator Slimline design reduces port strain DB9 null modem male to female slimline data transfer serial port adapter 2 Pack

**Brand:** arnorin
**Price:** € 0.72
**Availability:** ❌ Out of Stock

## Summary

> 🔌 Effortless data flow, zero port stress—upgrade your setup now!

## Quick Answers

- **What is this?** DB9 null modem male to female slimline data transfer serial port adapter 2 Pack by arnorin
- **How much does it cost?** € 0.72 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/733543207-db9-null-modem-male-to-female-slimline-data-transfer-serial)

## Best For

- arnorin enthusiasts

## Why This Product

- Trusted arnorin brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Flexible Screw Design:** Removable and reversible screws for easy installation and secure fit every time 🔧
- • **Plug & Play Simplicity:** No complex setup—just attach and start transferring data instantly ⚡
- • **Safety First Certified:** UL 94V-0 rated insulator ensures top-tier flame resistance for peace of mind 🔥
- • **Slim & Sleek Port Saver:** Slimline design minimizes leverage strain, protecting your valuable computer ports 🖥️
- • **Seamless Cable Transformation:** Convert standard straight cables to null modem wiring in seconds 🔄

## Overview

This 2-pack of DB9 null modem adapters converts standard straight-wired serial cables into null modem configurations with pin 9 open, featuring a slimline design that reduces strain on computer ports. Built with UL 94V-0 flame-retardant insulators and reversible screws, these adapters offer safe, reliable, and easy plug-and-play data transfer solutions.

## Description

Convert your existing straight wired cables to null modem or reverser (transmit & receive) cables with these handy, inexpensive adapters. Simply plug these adapters onto the end of a cable and you're done !

## Features

- Converts standard, straight wired cables to null modem wiring
- Null modem configuration with pin 9 open
- Slimline design reduces leverage strain on computer ports
- UL grade 94V-0 connector insulator satisfies flammability requirements
- Screws are removable and reversible

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B075XHWVSJ |
| Best Sellers Rank | #9 in Serial Adapters |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,005) |
| Date First Available | September 25, 2017 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 0.704 ounces |
| Item model number | KAD9D90001-S-2 |
| Manufacturer | KINGDEE INC |
| Product Dimensions | 1.3 x 0.5 x 0.07 inches |

## Product Details

- **Compatible devices:** Modem
- **Specific uses for product:** PC, Laptop
- **Connector type:** DB9
- **Colour:** Gold
- **Item dimensions L x W x H:** 33 x 13 x 2 millimetres

## Images

![DB9 null modem male to female slimline data transfer serial port adapter 2 Pack - Image 1](https://m.media-amazon.com/images/I/51FwpT4q21L.jpg)
![DB9 null modem male to female slimline data transfer serial port adapter 2 Pack - Image 2](https://m.media-amazon.com/images/I/61gjDe9iBqL.jpg)
![DB9 null modem male to female slimline data transfer serial port adapter 2 Pack - Image 3](https://m.media-amazon.com/images/I/61rW8NT+muL.jpg)
![DB9 null modem male to female slimline data transfer serial port adapter 2 Pack - Image 4](https://m.media-amazon.com/images/I/61nblFdL5gL.jpg)

## Available Options

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

## Questions & Answers

**Q: What i think i am seeing in the picture is two different converters.  is one a straight through gender changer & the other a null modem configuration?**
A: Both of them are standard null modem adapters

**Q: Will these pass sound so that I may plug in my Bose speakers?**
A: not sure your application, this is an RS232 signal swap adapter.
Here is pinout: pin-1 goes to pin-4, 
pin-2 to pin-3, 
pin-5 to pin-5, 
pin-7 to pin-8, and 
pins-6&9 are not connected.

**Q: do I have to use two connectors on each cable?**
A: No on one on each cable

**Q: Hi, are both of these the exact same? If not what is the difference?**
A: I ordered a 2 pack for work and they are the same.

## Frequently Bought Together

- DB9 null modem male to female slimline data transfer serial port adapter 2 Pack
- Arnorin DB9 Null Modem Female to Female Slimline Data Transfer Serial Port Adapter 2 Pack
- Arnorin DB9 Null Modem Adapter Male to Male Slimline Data Transfer Serial Port Adapter 2 Pack

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**Shop now:** [https://www.desertcart.es/products/733543207-db9-null-modem-male-to-female-slimline-data-transfer-serial](https://www.desertcart.es/products/733543207-db9-null-modem-male-to-female-slimline-data-transfer-serial)

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-02-25*