USB to Serial Adapters

Gearmo provides USB to Serial COM port adapters for RS232 | RS422 | RS485 protocols. Our USB to serial adapters cover all the bases from mini serial adapters, serial cable adapters, and metal USB serial adapters that are mountable. Looking for USB serial adapters with LED indicators? We offer many adapters that show TX and RX signals and more for diagnostics and activity.

Showing 1–24 of 37 resultsSorted by popularity

2-Port Professional RS-232 USB 2.0 to Serial Adapter 5ft.
SKU: USA-FTDI2X
$40.99
In stock
5ft. USB 2.0 RS-232 Serial Adapter with LED Indicators
SKU: FTDI-LED
$29.29
In stock
USB to RS-422/485 Converter FTDI CHIP w/ Terminals
SKU: USA-482422
$40.29
In stock
PRO Single Port USB to Serial Adapter with Activity LED 3ft.
SKU: USA-FTDI-A36
$28.99
In stock
4 Port Professional RS-232 USB 2.0 to Serial Adapter
SKU: USA-FTDI4X
$63.99
In stock
12in. USB 2.0 RS-232 Serial Adapter FTDI Chip 920K with Tx/Rx LED
SKU: USA-FTDI-A12
$22.99
In stock
USB to RS-232 Serial Adapter DB9 – 8 Inch Short Cable
SKU: USA-FTDI-8
$22.99
In stock
Pro 5ft. USB to RS-422 / RS-485 Converter w/FTDI Chip
SKU: US-485422
$45.29
In stock
USB-C 2.0 to Serial RS-232 16 Inch Adapter w/ LED Indicators
SKU: GM-FTDI2-LED16-C
$39.29
In stock
USB 2.0 RS-232 Serial Adapter 16 Inches w/ LED Indicators
SKU: GM-FTDI-LED16
$28.29
In stock
USB to RS232 Serial Adapter 3ft. Cable
SKU: USA-FTDI-36
$28.99
In stock
Mini USB to Serial Adapter Hi-Speed 920K FTDI Chip
SKU: SERIAL-B
$21.99
In stock
2 Port USB to Serial adapter with RX/TX LED Indicators
SKU: GM-FTDI2X-LED
$46.29
In stock
USB to RS485 | RS422 Optically Isolated Industrial Serial Adapter
SKU: US-422i
$86.29
In stock
USB Serial RS232 Single Port PRO Adapter with Activity LED 3ft
SKU: GM-FTDI2-A36
$31.99
In stock
USB Serial – USB 2.0 RS232 Adapter with LED Indicators
SKU: GM-FTDI2-LED
$34.29
In stock
4 Port Professional RS-232 USB 2.0 to Serial Adapter w/Nuts
SKU: USA-FTDI4X-NUT
$52.99
In stock
Gearmo USB 8 Port Serial RS232 featuring FTDI Chipset with LED Indicators
SKU: GM-FTDI8X-M
$139.99
In stock
4 Port Serial RS-232 Hub w/ FTDI Chipset & RX/TX LED Indicators
SKU: GM-FTDI4X-M
$103.99
In stock
USB-C 2.0 to Serial RS-232 Adapter w/ LED Indicators
SKU: GM-FTDI2-LED-C
$40.29
In stock
4 Port USB To Serial Adapter with RX/TX Indicators
SKU: GM-FTDI4X-LED
$69.29
In stock
2 Port USB Type-C To Serial Adapter w/ Per Port Rx / TX Status LED Matrix
SKU: GM-FTDI2XC-LED
$46.29
In stock
Industrial RS-232 to RS-422 Converter with Terminal Block
SKU: GM-1005A-B
$28.99
In stock
Mini RS-232 to RS-485 Converter
SKU: GM-10211-B
$15.29
In stock