rts USB to RS232 RS-232 Serial DB9 9 Pin Cable Converter Adapter(Black) Brand : Rts (Radhey Techno Services)  Colour :  Black  Warranty :  2 Year Warranty with Rts (Radhey Techno Services)  Compatibility:   Works with devices with RS-232 serial ports like: other PCs with RS-232 ports, Bluetooth serial adapters, PDAs, GPS receivers, routers, firewalls, modems, printers, embedded character displays, scan tools, sonar units, embedded boards. 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. Works with software like: HyperTerminal, TeraTerm, WinDBG, all open source serial software on Linux.  Connector compatibility note:   The DB9 connector has fixed female side screw in connections. For connecting to a device that also has fixed female side connectors an inexpensive DB9 Female/Female Mini Gender Changer (Coupler) will be needed.  Features:   Provides the connection between USB and the traditional RS-232 serial port  Works with cellular phones, PDA, digital cameras, modems, and others  Supports the RS-232 serial interface (standard 9-pin serial)  Supports automatic handshake mode  USB full speed communication and bus-powered  Single cable USB to serial communication  Easy installation   System requirements:   Mac OS 9.1 & higher  Windows 98SE /ME /2000 /XP /Vista /7/8/8.1/10  Microsoft signed drivers for 32/64-bit Windows10, Windows 8.1, Windows 8, Windows 7  Vista; Mac OS X 10.6 and later  Linux 2.4 or above  open source drivers included in Linux kernel 2.4.31 and later