--- product_id: 12916255 title: "CABLEMAXUSB to Serial RS-232 DB9 FTDI Mini Adapter with Extension Cable" brand: "cablemax" price: "£41.49" currency: GBP in_stock: true reviews_count: 8 url: https://www.desertcart.co.uk/products/12916255-cablemaxusb-to-serial-rs-232-db9-ftdi-mini-adapter-extension store_origin: GB region: United Kingdom --- # 921.6K bps blazing speed Universal OS compatibility 10KV surge protection CABLEMAXUSB to Serial RS-232 DB9 FTDI Mini Adapter with Extension Cable **Brand:** cablemax **Price:** £41.49 **Availability:** ✅ In Stock ## Summary > 🔗 Connect like a pro—speed, safety, and seamless compatibility in one sleek adapter! ## Quick Answers - **What is this?** CABLEMAXUSB to Serial RS-232 DB9 FTDI Mini Adapter with Extension Cable by cablemax - **How much does it cost?** £41.49 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/12916255-cablemaxusb-to-serial-rs-232-db9-ftdi-mini-adapter-extension) ## Best For - cablemax enthusiasts ## Why This Product - Trusted cablemax brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Extended Reach:** Includes a handy extension cable for flexible, convenient device placement without compromise. - • **Plug & Play Power:** Seamlessly add a high-speed RS-232 serial port via USB—no hassle, just instant connectivity. - • **Rock-Solid Protection:** Built-in 10KV surge protection safeguards your devices from unexpected electrical spikes. - • **Turbocharged Data Transfer:** Experience lightning-fast baud rates up to 921.6K bps for ultra-efficient communication. - • **Cross-Platform Compatibility:** Works flawlessly with Windows 7/8/10, Linux, and Mac OS 10.X—future-proof your setup. ## Overview This USB to Serial RS-232 DB9 FTDI Mini Adapter delivers high-speed serial connectivity up to 921.6K bps, protected by robust 10KV surge defense. Compatible across Windows, Linux, and Mac OS, it installs as a standard COM port and includes an extension cable for versatile device placement. ## Description CABLEMAXUSB to Serial RS-232 DB9 FTDI Mini Adapter with Extension Cable ## Features - Adds one RS-232 serial port by connecting to a USB port - High speed serial port with the baud rate up to 921.6K bps - Serial port protected with surge protection of 10KV - Installed as a standard Windows COM port - OS Compatibility: Windows 7,8 & Windows 10 as well as Linux and Mac OS 10.X ## Product Details - **Brand:** CABLEMAX - **Connector Type:** Serial Adapter - **Cable Type:** USB - **Compatible Devices:** Laptops, Desktops, Mouse, Printers, Tablets, etc. - **Special Feature:** High Speed, Surge Protection ## Images ![CABLEMAXUSB to Serial RS-232 DB9 FTDI Mini Adapter with Extension Cable - Image 1](https://m.media-amazon.com/images/I/6191U-d0hBL.jpg) ![CABLEMAXUSB to Serial RS-232 DB9 FTDI Mini Adapter with Extension Cable - Image 2](https://m.media-amazon.com/images/I/6191U-d0hBL.jpg) ![CABLEMAXUSB to Serial RS-232 DB9 FTDI Mini Adapter with Extension Cable - Image 3](https://m.media-amazon.com/images/I/61LPMITbDZL.jpg) ![CABLEMAXUSB to Serial RS-232 DB9 FTDI Mini Adapter with Extension Cable - Image 4](https://m.media-amazon.com/images/I/61wVu5zyfKL.jpg) ![CABLEMAXUSB to Serial RS-232 DB9 FTDI Mini Adapter with Extension Cable - Image 5](https://m.media-amazon.com/images/I/51ay2kML+rL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Exactly What I Needed for Legacy DB9 RS-232 Interfaces *by C***® on January 3, 2013* I do software development on a lot of embedded systems ranging from tiny PIC and AVR MCU based device to big ARM and PowerPC MPU based systems. Some of the older systems export the processor logic-level serial port out through a DB9 connector with RS232 signal levels. This little gadget is inexpensive enough that I buy one and just screw it onto the board, more or less permanently converting the board to a USB-serial interface. The gadget is barely bigger than a bare DB9 connector hood. And since it uses an FDTI chip inside, it works flawlessly. (I've given up using any USB-serial adapter that doesn't use a chip from FTDI because the rest are all crap.) So now when faced with an older DB9 RS232 port, I just automatically order one of these from Amazon.com and eliminate that little detail from my worry list. ### ⭐⭐⭐⭐⭐ Just works *by C***C on September 22, 2011* This device just works. Plugged it in to my Windows 7 x64 notebook and within 10 seconds it was ready to use on Com 3. It then allowed me to set it to Com port 1, which makes it a bit easier to use it with some applications. In short, good product for my needs. ### ⭐⭐⭐⭐⭐ Works fine with OSX *by B***T on May 13, 2011* I've tested it so far with Mac OS X 10.6 and 10.4.11, using the current driver from FTDI's ftdichip site. Works just fine with my microcontrollers using ZTerm. I have additional plans for it, and am confident it will work as well with those. Heck of a deal at this price! ## Frequently Bought Together - CABLEMAX USB to Serial RS-232 DB9 FTDI Mini Adapter with Extension Cable - OIKWAN USB to RS232, USB Serial Adapter with FTDI Chipset,USB 2.0 to Male DB9 Serial Cable for Windows 11,10, 8, 7, Vista, XP, 2000, Linux and Mac OS(6ft)… - DB9 null modem male to female slimline data transfer serial port adapter 2 Pack --- ## 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.co.uk/products/12916255-cablemaxusb-to-serial-rs-232-db9-ftdi-mini-adapter-extension](https://www.desertcart.co.uk/products/12916255-cablemaxusb-to-serial-rs-232-db9-ftdi-mini-adapter-extension) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-04*