--- product_id: 395074758 title: "TECHTOO 4 Port Professional FTDI CHIP USB to Serial RS232 DB9 Adapter Converter Serial Cable 9-Pin Male to Male with Thumbscrews" brand: "techtoo" price: "69631CFA" currency: XOF in_stock: true reviews_count: 5 category: "Techtoo" url: https://www.desertcart.sn/products/395074758-techtoo-4-port-professional-ftdi-chip-usb-to-serial-rs232 store_origin: SN region: Senegal --- # 1Mbps high-speed data transfer 4 RS232 ports for multi-device connectivity FTDI chipset ensures broad OS compatibility TECHTOO 4 Port Professional FTDI CHIP USB to Serial RS232 DB9 Adapter Converter Serial Cable 9-Pin Male to Male with Thumbscrews **Brand:** techtoo **Price:** 69631CFA **Availability:** ✅ In Stock ## Summary > 🔗 Unlock Serial Connectivity Like a Pro—Stay Ahead, Stay Connected! ## Quick Answers - **What is this?** TECHTOO 4 Port Professional FTDI CHIP USB to Serial RS232 DB9 Adapter Converter Serial Cable 9-Pin Male to Male with Thumbscrews by techtoo - **How much does it cost?** 69631CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/395074758-techtoo-4-port-professional-ftdi-chip-usb-to-serial-rs232) ## Best For - techtoo enthusiasts ## Why This Product - Trusted techtoo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Backed by a lifetime warranty, ensuring your investment stays protected. - • **Quad-Port Powerhouse:** Connect up to 4 serial devices simultaneously with ease. - • **Blazing Fast Transfers:** Experience seamless data flow at speeds up to 1Mbps—no lag, no fuss. - • **Plug & Play Simplicity:** One-time driver install, then effortless USB-powered operation—no external adapters needed. - • **Universal Compatibility:** Works flawlessly across Windows, Mac, Linux, and more—future-proof your setup. ## Overview The TECHTOO 4 Port USB to RS232 DB9 Serial Adapter leverages the reliable FTDI FTDI232RL chipset to deliver stable, high-speed (up to 1Mbps) serial communication. Designed for professionals managing multiple legacy devices, it supports Windows, Mac, Linux, and more, with plug-and-play ease after initial driver installation. Powered directly via USB, it eliminates the need for external power, while its robust build and lifetime warranty guarantee long-term reliability. ## Description TECHTOO, known as a worldwide registered brand in North America, Europe and Asia. Description TECHTOO USB to RS232 DB9 Serial MALE Converter Adapter Cable is designed to connect serial devices such as PCs with RS-232 ports, Bluetooth serial adapters, PDAs, GPS receivers, routers, firewalls, modems, printers, cash registers, embedded character displays, scan tools, sonar units, embedded boards, etc. Specific devices include: Garmin eTrex GPS, Seiko Label Printer, Create, Cisco products with serial consoles, US Robotics Modems, NexStar telescopes, Equus Scan Tools, Uniden Hand Held Scanners, etc. Works with software like: HyperTerminal, TeraTerm, WinDBG, all open source serial software on Linux, etc. or ISDN Terminal Adapters through USB port with over 1Mbps data transfer rate. The USB RS232A converter features a Prolific chipset for the best combination of performance and wide driver support.and Microsoft signed drivers for 32/64-bit is easy to install and offers broad operating system compatibility, including Windows 8, Linux and Mac OS, for easy integration into mixed environments. Specification 1. Connectors: USB 2.0 Type A Male to RS232 DB9 MALE2. Connect a RS-232 serial device such as a modem to a USB port on your computer3. Supports Windows8.1/8/7/Vista/XP//2000/Andorid/Linux and Mac OS X 10.6 and above4. Uses latest FTDI chipset 5. Plug & Play after one time driver installation6. Maximum Transfer rate: up to 1Mbps7. Supports Automatic Handshake8. Powered by USB port, no external power adapter requiredPackage Contents TECHTOO 4 Port USB to DB9 Serial Adapter 3ft/1m x 1 FTDI232RL chipset Driver CD x 1 Review: Perfect! - Works like a charm in Windows and even DosBox 0.74-3 Review: Worked well - Worked well ## Features - HOW IT WORKS: TECHTOO USB to Quad Port RS232 DB9 Serial Adapter is Designed for Connecting to Serial Devices Such As DB9 Equipped Serial Modems, ISDN Terminal Adapters, Digital Cameras, Label Writers, Palm PCs, Barcode Scanners, PDAs etc Through USB port with 1Mbps Data Transfer Rate - CONNECTORS: With Standard USB Type A Male to Standard 9-pin DB9 RS-232 Serial MALE Connector with Hexnuts - CONDUCTOR & SHIELDING: Tinned Copper Conductor and Triple Shielding Ensure the Best Data Transfer Rate. Powered by USB Port, No External Power Adapter Required. Simple Installation, Plug & Play after One Time Driver Installation ( Product come with a Driver CD ) - CHIPSET & SUPPORTED OS: FTDI FTDI232RL Chipset for Widest Possible Stablity and Compatibility with Windows (10/8.1/8/7XP), Mac, Linux, etc. Support Almost All Serial COM Port - LIFETIME WARRANTY: USB 2.0 to Serial (9-Pin) DB-9 RS-232 Converter Cable is Backed with Lifetime Warranty and Customer Service Support ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B06ZXRR5N7 | | Best Sellers Rank | #54,758 in Computers ( See Top 100 in Computers ) #4,811 in USB Cables | | Brand | TECHTOO | | Brand Name | TECHTOO | | Cable Type | Type-A | | Cable type | Type-A | | Color | 4 RS232 Port | | Compatible Devices | Camera, GPS Navigation System, Printer | | Compatible Phone Models | palm | | Compatible devices | Camera, GPS Navigation System, Printer | | Compatible phone models | palm | | Connector Gender | Male-to-Male | | Connector Type | USB Type A | | Connector type | USB Type A | | Customer Package Type | standard packaging | | Customer Reviews | 4.3 out of 5 stars 79 Reviews | | Frequency | 1000000 Hz | | Item Weight | 0.15 Kilograms | | Manufacturer | TECHTOO | | Model | 8541684655 | | Number of Items | 1 | | Other Special Features of the Product | High Speed | | Part Number | STKC-USB2-RS232-4PSCREW | | Recommended Uses For Product | Connecting serial devices such as modems, GPS receivers, routers, printers, etc. to a computer or laptop with a USB port. | | Special features | High Speed | | UPC | 713458103734 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** TECHTOO - **Cable type:** Type-A - **Compatible devices:** Camera, GPS Navigation System, Printer - **Connector type:** USB Type A - **Special features:** High Speed ## Images ![TECHTOO 4 Port Professional FTDI CHIP USB to Serial RS232 DB9 Adapter Converter Serial Cable 9-Pin Male to Male with Thumbscrews - Image 1](https://m.media-amazon.com/images/I/81JwEZGkD4L.jpg) ## Available Options This product comes in different **Color, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Perfect! *by L***N on 18 February 2021* Works like a charm in Windows and even DosBox 0.74-3 ### ⭐⭐⭐⭐ Worked well *by M***H on 10 August 2018* Worked well ### ⭐⭐⭐⭐⭐ Worked first Go! *by A***M on 25 April 2019* I plugged the device into the raspberry pi's usb port , searched /var/log/messages for the new interfaces and then connected to them using minicom (Terminal emulator) Recommended product works with Raspberian on a Pi nicely as a agret 4 port terminal server! ## Frequently Bought Together - TECHTOO 4 Port Professional FTDI CHIP USB to Serial RS232 DB9 Adapter Converter Serial Cable 9-Pin Male to Male with Thumbscrews - Ugreen USB to RS232 DB9 Serial Male Converter Adapter Cable with PL2303 Chipset Gold Plated Driverless for Win8.1/8, Compatible with 8/7/Vista/XP//2000 and Mac OS X 10.6 and Above ,3ft/1m --- ## 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.sn/products/395074758-techtoo-4-port-professional-ftdi-chip-usb-to-serial-rs232](https://www.desertcart.sn/products/395074758-techtoo-4-port-professional-ftdi-chip-usb-to-serial-rs232) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-06-04*