---
product_id: 267695408
title: "4 Port USB To Serial Adapter with RX/TX Indicators"
brand: "gearmo"
price: "491 Lei"
currency: RON
in_stock: true
category: "Gearmo"
url: https://www.desertcart.ro/products/267695408-4-port-usb-to-serial-adapter-with-rx-tx-indicators
store_origin: RO
region: Romania
---

# 15kV ESD protection for industrial durability FTDI chipset ensures seamless cross-platform compatibility 4 RS-232 ports for multi-device connectivity 4 Port USB To Serial Adapter with RX/TX Indicators

**Brand:** gearmo
**Price:** 491 Lei
**Availability:** ✅ In Stock

## Summary

> 🔗 Future-proof your legacy gear with Gearmo’s 4-port RS-232 USB adapter!

## Quick Answers

- **What is this?** 4 Port USB To Serial Adapter with RX/TX Indicators by gearmo
- **How much does it cost?** 491 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/267695408-4-port-usb-to-serial-adapter-with-rx-tx-indicators)

## Best For

- gearmo enthusiasts

## Why This Product

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

## Key Features

- • **Quad-Port Powerhouse:** Connect up to 4 legacy serial devices simultaneously with ease.
- • **Universal Compatibility:** Effortlessly integrates with Windows, macOS, and Linux for maximum flexibility.
- • **Plug-and-Play Simplicity:** No drivers or external power needed—just plug in and get to work instantly.
- • **Trusted Engineering Support:** Access CAD files and datasheets to streamline your project integration.
- • **Industrial-Grade Reliability:** Built-in 15kV ESD isolation and blazing 921.6Kbps baud rates keep your critical operations flawless.

## Overview

The Gearmo 4 Port RS-232 to USB Adapter is a professional-grade connectivity solution featuring four DB9 serial ports, 15kV ESD protection, and an FTDI chipset for seamless compatibility across Windows, macOS, and Linux. With LED indicators for each port and plug-and-play installation, it’s engineered for industrial, lab, and point-of-sale environments requiring reliable, high-speed serial communication.

## Description

desertcart.com: Gearmo 4 Port RS-232 to USB Adapter with LED Indicators, 5ft Length, FTDI Chipset, ESD Protection, Windows/macOS/Linux Compatible : Electronics

## Features

- [ QUAD PORT RS232 SERIAL TO USB ADAPTER ] : 5ft Total Length: Easily connect multiple DB9 serial devices to modern USB-equipped computers. Uses include industrial, lab, and point-of-sale applications.
- [ INDUSTRIAL READY ] : Equipped with 15kV ESD isolation, and baud rates up to 921.600bps. Transmit (TX) and Receive (RX) LED indicators for each DB9 connection offers quick and easy testing of RS-232 host-to-device connections in critical operations.
- [ EASY INSTALLATION ] : Plug-and-play USB interface with COM port retention for consistent, reliable serial connections. No external power supply required - just connect and go.
- [ WIDE COMPATIBILITY ] : Built with an FTDI Chipset that supports an automatic handshake. Works seamlessly with Windows 7, 8, 10, 11, Linux, and macOS 10.X.
- [ WHY Gearmo? ] : Your trusted partner based in the USA, providing advanced engineering and reliable products to handle the most demanding industries for over 10 years.
- [ ENGINEERING SUPPORT ] : Need specs? Contact us for CAD files, mechanical drawings, or datasheets to support your integration or project needs.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08P24ZQ1B |
| Best Sellers Rank | #162 in Serial Adapters #10,255 in Computer Cables & Interconnects |
| Brand | Gearmo |
| Color | Black |
| Compatible Devices | Devices with RS-232 DB9 female serial ports such as printers, modems, CNS machines, PLCs, radios, etc. |
| Connector Type | DB9 RS-232 |
| Current Rating | 15 A |
| Customer Reviews | 4.9 4.9 out of 5 stars (13) |
| Input Voltage | 5 volts |
| Item Weight | 0.02 kg |
| Manufacturer | Gearmo |
| Mfr Part Number | GM-FTDI4X-LED |
| Model Number | GM-FTDI4X-LED |
| Number of Items | 1 |
| Number of Ports | 4 |
| Package Quantity | 1 |
| Power Plug Type | No Plug |
| Specific Uses For Product | Connecting legacy serial devices to host systems. |
| UPC | 045079162945 |
| Unit Count | 1 Count |
| Warranty Description | 1 Year |
| Warranty Type | Limited |

## Product Details

- **Brand:** Gearmo
- **Color:** Black
- **Connector Type:** DB9 RS-232
- **Specific Uses For Product:** Connecting legacy serial devices to host systems.

## Images

![4 Port USB To Serial Adapter with RX/TX Indicators - Image 1](https://m.media-amazon.com/images/I/81oXYvAn1HL.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: Does this work with 232, 485 & 422?**
A: This product is RS232 only.

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ro/products/267695408-4-port-usb-to-serial-adapter-with-rx-tx-indicators](https://www.desertcart.ro/products/267695408-4-port-usb-to-serial-adapter-with-rx-tx-indicators)

---

*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-09-18*