• Connects a 9-pin (DB9) serial device to computer or laptop USB-A port
• Supports data transfer speeds up to 230 Kbps
• Detachable 3-foot USB cable included
• No external power source required
• Works with Microsoft Windows (up to Windows 10) and Mac OS X (up to Mac OS Big Sur 11.6 and Monterey 12.0.1)
• Supports both 32-bit and 64-bit systems

The Keyspan USA-19HS USB to serial adapter connects devices with a 9-pin serial port, such as switches, routers, barcode scanners and lab equipment, to your computer or laptop USB-A port.