---
product_id: 84032035
title: "LF1108KB-2 1 Port USB to 4 Ports RS232 Serial Adapter w/Quadplex Cable 36\" HD44M-DB25M-4"
brand: "softio"
price: "$4.70"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/84032035-lf1108kb-2-1-port-usb-to-4-ports-rs232-serial
store_origin: US
region: United States of America
---

# 921 kbps max baud rate 4 RS232 ports via 1 USB 2.0 512-byte RX/TX buffers LF1108KB-2 1 Port USB to 4 Ports RS232 Serial Adapter w/Quadplex Cable 36" HD44M-DB25M-4

**Brand:** softio
**Price:** $4.70
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect More, Stress Less: The Ultimate USB-to-RS232 Hub for Pros Who Demand Reliability

## Quick Answers

- **What is this?** LF1108KB-2 1 Port USB to 4 Ports RS232 Serial Adapter w/Quadplex Cable 36" HD44M-DB25M-4 by softio
- **How much does it cost?** $4.70 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/84032035-lf1108kb-2-1-port-usb-to-4-ports-rs232-serial)

## Best For

- softio enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Rugged aluminum casing and double-shielded cables ensure durability backed by a 5-year warranty.
- • **Plug & Play Freedom:** Hot-plug support lets you connect or disconnect without losing data—perfect for dynamic workflows.
- • **Quad-Port Powerhouse:** Seamlessly connect 4 RS232 devices through a single USB port for ultimate multitasking.
- • **Blazing Fast Data Flow:** Experience ultra-reliable communication with speeds up to 921.6 kbps—no lag, no bottlenecks.
- • **Rock-Solid Compatibility:** Works flawlessly across Windows, Linux, QNX, and VMWare on both 32 & 64-bit systems.

## Overview

The LF1108KB-2 is a USB 2.0 to 4-port RS232 serial adapter featuring individual UART bridges for each port, supporting data rates up to 921.6 kbps. It includes a 36-inch double-shielded HD44M to 4x DB25M cable, offers hot-plug capability without data loss, and is compatible with multiple OS platforms. Its rugged aluminum enclosure and 512-byte buffers ensure stable, high-throughput serial communication, all backed by a 5-year warranty.

## Description

Industry standard DB9 male DTE pinout for each RS232 interface port. Individual USB to UART design for each port leg allows for maximum sustained throughput vs. competing designs. Stronger operating system support covers most 32 & 64 bit platforms vs. competing designs. Rugged aluminum enclosure provides excellent protection. 36" HD44M to 4 x DB25M Cable (9 wire; DTE pinout) is included (Double shielded; ROHS Compliant).

## Features

- USB 2.0 to Quad UART (4S) Bridge with RS232 Transceivers (921kbps) with TX & RX LEDs
- Compatible with USB 3.1, 3.0, 2.0 and 1.1 Ports. USB Bus Powered
- Hot Plug USB Remove & Re-Dock Support without Data Loss on Windows (patented feature)
- Buffer: 512 byte RX, 512 byte TX Prevent Buffer Overflow Errors & Optimize Data Throughput, 36" HD44M to 4 x DB25M Cable (9 wire; DTE pinout) is included (Double shielded; ROHS Compliant)
- Windows, Linux, QNX, VMWare Support for Standard & Non-standard Baud Rates up to 921.6 Kbps, 5 Year Warranty

## Product Details

- **Connector Type:** D-Sub 9 x 4, USB Type A
- **Brand:** Softio
- **Finish Type:** Aluminum
- **Number of Ports:** 1
- **Warranty Type:** Limited

## Images

![LF1108KB-2 1 Port USB to 4 Ports RS232 Serial Adapter w/Quadplex Cable 36" HD44M-DB25M-4 - Image 1](https://m.media-amazon.com/images/I/91ZSop-FkYL.jpg)
![LF1108KB-2 1 Port USB to 4 Ports RS232 Serial Adapter w/Quadplex Cable 36" HD44M-DB25M-4 - Image 2](https://m.media-amazon.com/images/I/81Lnj7FyrZL.jpg)
![LF1108KB-2 1 Port USB to 4 Ports RS232 Serial Adapter w/Quadplex Cable 36" HD44M-DB25M-4 - Image 3](https://m.media-amazon.com/images/I/81INnY1q+rL.jpg)
![LF1108KB-2 1 Port USB to 4 Ports RS232 Serial Adapter w/Quadplex Cable 36" HD44M-DB25M-4 - Image 4](https://m.media-amazon.com/images/I/81pnWl7gFCL.jpg)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-18*