Gearmo 16in. USB 2.0 to RS-232 Serial Converter w/ LED Indicators & FTDI

USB to serial RS-232 16 Inch Adapter with Windows 11 support

This USB to serial RS-232 adapter is 16 inches long and the easiest way to add a serial port to your computer. Newer computers today lack serial ports for communication; this affects PDA, digital camera, and GPS type equipment that may be used on your system.

The16 inch USB to serial adapter is great for troubleshooting and allows you to add a single serial port to monitor the status of your connections via LED activity flashes. When connection activity is present, the LED's will flash letting you know you have signal on the pins.

The GM-FTDI-LED16 USB serial adapter offers an advanced FTDI Chipset supported by Windows 11. It supports USB 2.0 port connections and RS-232 connection with double color LED display of full signal power. The device is powered individually by the USB 2.0 port. This 16 inch serial device is easily installed with its Plug and Play features. Its easy to test the RS-232 host to device link and is backward compatible with USB Spec 1.1.

Additional Features & Specifications:

Device Support:

• Fully compliant with USB 2.0 specifications and RS-232 serial protocol.


• Convenient 16 inch total length for troubleshooting


• PDA RS-232 Port support 56K Modem support Serial Mouse support+ Serial PC camera support


• RS-232 - DB9 / M Data rate : Over 1000kbps


• ESD Protection for RS-232 I/O +-15KV RS-232 for DTE Mode

LED Color:

• 1~4, 6~9 PIN Signal 0 : Green / Signal 1 : RED GND - RED - POWER PS. DB9-F PIN / 1,2,6,8,9 NO Input LED no light


• DCD , RXD, TXD, DTR , GND,DSR ,RTS ,CTS , RI


• Easy test RS-232 Host to Device link

• Win 7, 8, 10, and Windows 11


• Linux, Mac OS 10.X