---
product_id: 49008849
title: "DB9 Null Modem Female to Female Slimline Data Transfer Serial Port Adapter 2 Pack"
brand: "arnorin"
price: "$17.19"
currency: USD
in_stock: true
reviews_count: 8
category: "Arnorin"
url: https://www.desertcart.us/products/49008849-db9-null-modem-female-to-female-slimline-data-transfer-serial
store_origin: US
region: United States of America
---

# Gold-plated contacts for lasting reliability Reverses Tx/Rx signals flawlessly Slimline design reduces port strain DB9 Null Modem Female to Female Slimline Data Transfer Serial Port Adapter 2 Pack

**Brand:** arnorin
**Price:** $17.19
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect smarter, not harder — stay ahead with flawless serial links!

## Quick Answers

- **What is this?** DB9 Null Modem Female to Female Slimline Data Transfer Serial Port Adapter 2 Pack by arnorin
- **How much does it cost?** $17.19 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/49008849-db9-null-modem-female-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

- • **Certified Safety:** UL 94V-0 rated insulator meets strict flammability standards
- • **Slim & Sleek Build:** Minimizes leverage strain to protect your valuable device ports
- • **Durable Gold Contacts:** Ensures consistent, corrosion-free connections after countless uses
- • **Flexible Screw Design:** Removable and reversible screws for versatile installation
- • **Effortless Signal Swap:** Transforms straight cables into null modem with zero hassle

## Overview

The DB9 Null Modem Female to Female Slimline Adapter 2 Pack by Arnorin converts standard straight-wired cables into null modem cables, reversing transmit and receive signals with precision. Featuring gold-plated contacts for reliable, corrosion-resistant connections and a slimline design that reduces port strain, these adapters are built for durability and safety with UL 94V-0 rated insulators. Removable and reversible screws add installation flexibility, making this 2-pack ideal for professionals managing legacy serial connections across PCs, printers, and projectors.

## 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 !

Review: It correctly transposes recv and xmit signals, unlike many other so-called null modems on desertcart - Worked perfectly, delivered quickly.
Review: compatible with various setups - These adapters are a must-have for anyone working with serial connections. The slimline design minimizes strain on computer ports, and the gold-plated contacts ensure reliable connections even after repeated use . The removable and reversible screws add flexibility, making them compatible with various setups. Whether you're connecting legacy hardware or setting up a console interface, these adapters perform flawlessly. Highly recommended

## Features

- Converts standard, straight wired cables to null modem wiring
- Gold contact plating provides reliable connections with repeated mating cycles
- 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 | B075XGRLXW |
| Best Sellers Rank | #23 in Serial Adapters |
| Brand | Arnorin |
| Color | 2 Pack |
| Compatible Devices | Printer, Projector, PC |
| Connector Type | Component, DB9 |
| Customer Reviews | 4.7 out of 5 stars 783 Reviews |
| Finish | Gold |
| Input Voltage | 12 Volts |
| Item Dimensions | 0.51 x 0.71 x 1.3 inches |
| Item Weight | 0.02 Kilograms |
| Item dimensions L x W x H | 0.51 x 0.71 x 1.3 inches |
| Manufacturer | KINGDEE INC |
| Model Number | KAD9D90002-S-2 |
| Number of Items | 2 |
| Number of Ports | 2 |
| Package Quantity | 1 |
| Power Plug Type | No Plug |
| Specific Uses For Product | PC, Printer, Projector |
| UPC | 656699361665 |
| Unit Count | 2.0 Count |
| Warranty Type | Limited |

## Product Details

- **Color:** 2 Pack
- **Compatible Devices:** Printer, Projector, PC
- **Connector Type:** Component, DB9
- **Item dimensions L x W x H:** 0.51 x 0.71 x 1.3 inches
- **Specific Uses For Product:** PC, Printer, Projector

## Images

![DB9 Null Modem Female to Female Slimline Data Transfer Serial Port Adapter 2 Pack - Image 1](https://m.media-amazon.com/images/I/51vKigMYcML.jpg)
![DB9 Null Modem Female to Female Slimline Data Transfer Serial Port Adapter 2 Pack - Image 2](https://m.media-amazon.com/images/I/613UYSts51L.jpg)
![DB9 Null Modem Female to Female Slimline Data Transfer Serial Port Adapter 2 Pack - Image 3](https://m.media-amazon.com/images/I/613YYoKoRWL.jpg)
![DB9 Null Modem Female to Female Slimline Data Transfer Serial Port Adapter 2 Pack - Image 4](https://m.media-amazon.com/images/I/61SG7qGU11L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ It correctly transposes recv and xmit signals, unlike many other so-called null modems on Amazon
*by M***N on November 10, 2025*

Worked perfectly, delivered quickly.

### ⭐⭐⭐⭐⭐ compatible with various setups
*by D***D on April 22, 2025*

These adapters are a must-have for anyone working with serial connections. The slimline design minimizes strain on computer ports, and the gold-plated contacts ensure reliable connections even after repeated use . The removable and reversible screws add flexibility, making them compatible with various setups. Whether you're connecting legacy hardware or setting up a console interface, these adapters perform flawlessly. Highly recommended

### ⭐⭐⭐⭐⭐ Bought several times, they are good
*by W***. on September 4, 2025*

These are good and cheap. They've never not worked.

## Frequently Bought Together

- Arnorin DB9 Null Modem Female to Female Slimline Data Transfer Serial Port Adapter 2 Pack
- DB9 null modem male 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 United States of America*
*Store origin: US*
*Last updated: 2026-02-21*