---
product_id: 294764340
title: "DB9 null modem male to female slimline data transfer serial port adapter 2 Pack"
brand: "arnorin"
price: "€ 28.74"
currency: EUR
in_stock: true
category: "Arnorin"
url: https://www.desertcart.be/products/294764340-db9-null-modem-male-to-female-slimline-data-transfer-serial
store_origin: BE
region: Belgium
---

# Slimline design reduces port strain DB9 male to female adapter Fully shielded against EMI DB9 null modem male to female slimline data transfer serial port adapter 2 Pack

**Brand:** arnorin
**Price:** € 28.74
**Availability:** ✅ In Stock

## Summary

> 🔗 Effortless serial connection upgrades—because your setup deserves sleek reliability.

## 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?** € 28.74 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/294764340-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

- • **UL 94V-0 Certified Safety:** High-grade connector insulator meets strict flammability standards for peace of mind.
- • **Slimline, Stress-Free Design:** Compact form factor minimizes leverage strain on your precious computer ports.
- • **Reversible Screws for Easy Setup:** Removable and reversible screws let you customize installation with ease.
- • **Plug & Play Null Modem Conversion:** Instantly convert straight cables to null modem wiring—no hassle, no downtime.
- • **EMI Shielding for Signal Integrity:** Fully shielded connectors ensure clean, interference-free data transfer every time.

## Overview

The Arnorin DB9 null modem adapter 2-pack converts standard straight-wired serial cables into null modem configurations with a slim, durable design. Featuring fully shielded connectors to prevent electromagnetic interference, reversible screws for flexible installation, and UL 94V-0 certified insulators, these adapters deliver reliable, plug-and-play data transfer solutions for PC and laptop serial communication needs.

## 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
- Fully shielded to protect against EMI (electromagnetic interference)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B075XHWVSJ |
| Best Sellers Rank | #47,461 in Computers ( See Top 100 in Computers ) #135 in Serial Adapters |
| Brand | Arnorin |
| Color | 2 Pack |
| Compatible Devices | PC |
| Connector Type | DB9 |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,212) |
| External Testing Certification | Não aplicável |
| Finish | Gold |
| Input Voltage | 9 Volts |
| Item Dimensions | 33 x 13 x 2 millimeters |
| Manufacturer | Arnorin |
| Mfr Part Number | KAD9D90001-S-2 |
| Model Number | KAD9D90001-S-2 |
| Number of Items | 2 |
| Number of Ports | 2 |
| Package Quantity | 1 |
| Power Plug Type | No Plug |
| Specific Uses For Product | PC, Laptop |
| UPC | 613852966235 |
| Unit Count | 2.0 Count |
| Warranty Type | Limited |

## Product Details

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

## 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)

## Available Options

This product comes in different **Size** 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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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-10-24*