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


















| 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 |
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