Gearmo
USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7, Mac OS X 10.6 and Above
*Price sourced from Amazon.com. Last updated 2026-06-06. Price and availability subject to change.
Bottom line: The USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7, Mac OS X 10.6 and Above is a category leader on buyer feedback in the keyboards & mice category, priced around $23.88, rated 4.6★ across 1,424 verified Amazon reviews. A confident buy for most shoppers in this category.
USB RS-232 serial adapter with led indicators.Introduction: this adapter is the easiest way to add a serial port to your computer. Many PDAS, digital cameras, GPS units, barcode scanners, and other equipment require a serial connection and many newer computers don't have serial ports. This adapter also allows you to monitor the status of your connections by marking them with LEDs, which flash when there is activity on the pins.Details: the FTDI-led offers an advanced FTDI chipset, USB to rs-232 connection with double color led display of full signal power. The device is powered individually…
SpecPicks Verdict
SpecPicks classifies Gearmo USB to Serial RS-232 Adapter with LED Indicators, FTDI… as a category leader on buyer feedback in the keyboards & mice category, based on 1,424 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Gearmo's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for keyboards & mice of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 4.6★ average across customer reviews
- ✓ Large, well-vetted feedback pool (1,424 reviews)
- ✓ Backed by Gearmo's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- [ USB to RS-232 Serial Adapter ] : 5ft Cable Length - Easily connect legacy DB-9 serial devices to modern USB-equipped computers. Uses include industrial, lab, and point-of-sale applications.
- [ Easy Testing ] : Built-in signal tester features full LED indicators with dual-color display for quick and easy testing of RS-232 host-to-device connections.
- [ Wide Compatibility ] : Built with an FTDI Chipset. Works seamlessly with Windows 7, 8, 10, 11, Linux, and macOS 10.X, making it a highly versatile solution across platforms.
- [ Why Gearmo? ] : Your trusted partner based in the USA, providing advanced engineering, highly reliable and superior built 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.
Full Specifications
| Color | Black |
|---|---|
| Connector Type | DB9, USB Type A |
| Compatible Devices | Devices with DB9 female serial port |
| Item dimensions L x W x H | 5.5 x 3.5 x 0.6 inches |
| Specific Uses For Product | PC |
Ready to buy?
Gearmo USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7, Mac OS X 10.6 and Above is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-06-06. Price and availability subject to change.
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