BENFEI USB to DB9 RS232 Cable BENFEI USB to RS232 DB9 Serial Male Cable is designed to connect serial devices such as DB9 equipped PCs, routers, GPS, barcode scanners, label writers, serial modems, digital cameras, card readers, palm PCs, Cellular Phones, PDAs, or ISDN Terminal Adapters through USB port with over 1Mbps data transfer rate.Simply plug your device into the adapter and the adapter into your PC or Mac. COM ports and Baud rates can be modified to desired set up. ​ USB 2.0 to RS-232 - Installed as a standard Windows COM port, Full RS-232 modem control signals, RS-232 data signals; TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, GND; Has male thumbscrews. Works with devices with RS-232 serial ports: Bluetooth serial adapters, telescopes, amateur radio gear, GPS receivers, routers, firewalls, modems, plotters, embedded character displays, scan tools, sonar units, embedded boards and many others. Specific devices include Garmin eTrex GPS, Seiko Label Printer, iRobot 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. Compatible Operating System Windows OS: Windows 7/Vista/XP/2000/ME/98SE, WINDOWS 10/8.1/8