TECHTOO, known as a worldwide registered brand in North America, Europe and Asia. Description TECHTOO USB to RS232 DB9 Serial MALE Converter Adapter Cable is designed to connect serial devices such as PCs with RS-232 ports, Bluetooth serial adapters, PDAs, GPS receivers, routers, firewalls, modems, printers, cash registers, embedded character displays, scan tools, sonar units, embedded boards, etc. Specific devices include: Garmin eTrex GPS, Seiko Label Printer, Create, Cisco products with serial consoles, US Robotics Modems, NexStar telescopes, Equus Scan Tools, Uniden Hand Held Scanners, etc. Works with software like: HyperTerminal, TeraTerm, WinDBG, all open source serial software on Linux, etc. or ISDN Terminal Adapters through USB port with over 1Mbps data transfer rate. The USB RS232A converter features a Prolific chipset for the best combination of performance and wide driver support.and Microsoft signed drivers for 32/64-bit is easy to install and offers broad operating system compatibility, including Windows 8, Linux and Mac OS, for easy integration into mixed environments. Specification 1. Connectors: USB 2.0 Type A Male to RS232 DB9 MALE 2. Connect a RS-232 serial device such as a modem to a USB port on your computer 3. Supports Windows8.1/8/7/Vista/XP//2000/Andorid/Linux and Mac OS X 10.6 and above 4. Uses latest FTDI chipset 5. Plug & Play after one time driver installation 6. Maximum Transfer rate: up to 1Mbps 7. Supports Automatic Handshake 8. Powered by USB port, no external power adapter required Package Contents TECHTOO USB to DB9 Serial Adapter 3ft/1m x 1 FTDI See moreIMPORTANT Note: The TECHTOO 4 port RS232 USB Serial Adapter does not support devices such as serial mice that require an IRQ number or I/O address. COM RETENTION: COM Port assignments maintained across reboot. The USB to serial rs232 adapter plug and play. Compatible for Windows 10 & macOS 10.X / 11.X. USB to SERIAL RS232 DB9 Adapter (4-PORT): Add four RS232 serial ports to any laptop or desktop computer using a single USB port. The USB to Serial Converter is Powered by an Available USB Cable. No External Power Adapter is Required. Configuring and sharing data among multiple modems, GPS devices, cellphones, hand-held scanners, point-of-sale systems, touch screens, medical and scientific instruments, industrial process control devices and UPS systems easily. The TECHTOO High-Speed 4-Port USB-to-DB9-Serial Adapter allows you to connect as many as four 9-pin serial devices to a computer or laptop with a USB Type-A port.