Mini USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV ESD Protection & 3ft.

USB to Serial Adapter, 9-Pin Male, Provides transmit & Receive Lights, FTDI Chipset

USB RS-232 Serial Adapter USB Serial Adaptor Converter Prolific Chip

USB to RS-232 DB9 Serial Adapter Cables

This USB 2.0 RS-232 Serial Adapter is the easiest way to add a serial port to your computer. Newer computers today are unequipped to support peripherals requiring a serial RS-232 connection because they lack serial ports; this affects PDA, digital camera, and GPS type equipment that may be used on your system. This adapter also allows you to add a serial port and monitor the status of your connections by using LED activity flashes.

Gearmo USB RS-232 Serial Adapter with LED Indicators Windows 10 8 7

Add an RS232 serial port to a notebook or desktop computer with this Plug-and Play USB adapter cable. The ICUSB232DB25 USB to RS232 DB9/DB25 Serial Adapter Cable (M/M) lets you connect 9-pin (DB9) or 25-pin (DB25) RS232 serial devices to your laptop or desktop computer through a USB port, as though the computer offered an onboard serial port. The integrated 3-foot (0.9 meter) cable allows it to be connected directly from the serial device to the computer without requiring additional cables.

StarTech ICUSB232DB25 USB to RS232 Db9/db25 Serial Adapter Cable

USB TO RS232 SERIAL – 5ft in length serial adapter. Connect legacy DB-9 serial communications devices to a modern computer with USB EASY TEST - Easy

Gearmo USB to RS-232 Serial Adapter w/LED Indicators Windows 11 Support

The ICUSB232SM3 3ft USB to Serial Adapter Cable lets you connect DB9 RS232 serial devices to your Mac or PC laptop or desktop computer through an available USB port - as though the computer offered an onboard DB9M connector.

StarTech.com 1 Port USB to RS232 DB9 Serial Adapter Cable

Cablemax FTDI USB to RS-232 / RS-422 / RS-485 Pro

Supports Windows 10, 8, 7 and Vista (32 and 64-Bit), this USB 2-port Serial Adapter is designed to make serial port expansion quick and simple. Connecting to a USB port on your computer or USB hub.

Dual Port DB-9 USB Serial Ultra Mini Adapter with Cable RS-232 x 2