Works with serial RS-232 devices. Connects to switches, routers, barcode scanners, GPS units, point-of-sale devices, laboratory equipment, network storage devices, modems, graphics tablets, and other devices with a serial DB9 port. Supports data transfer speeds of up to 230 Kbps—twice as fast as a built-in serial interface.

Easy to set up and ready to use immediately. No external power supply is required, and only one connection is needed. Simply connect the device's USB-B port to your computer's USB-A port using the included 0.9 m long USB cable. The device is compatible with any USB cable up to 4.9 m. A green LED provides a quick indication of data activity. The device weighs only 57 grams and can be easily carried in a backpack or laptop bag.

Compatible with major operating systems. Works with Microsoft Windows (up to Windows 11) and macOS X (up to Ventura 13.3.1) and includes Windows Line Monitor and Data Trace software. The device supports both 32-bit and 64-bit systems and features continuously updated drivers that can be downloaded from the device's technical support page.

Complies with the Federal Trade Agreements Act (TAA) for purchases from the GSA list. The USA-19HS meets the Federal Trade Agreements Act (TAA), making it eligible for the GSA (General Services Administration) list and other federal procurement contracts.